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Table 7b. Hazardous Material Shipment Characteristics by Hazard Class
Division and Mode of Transportation: 2002 and 1997
[Estimates are based on data from the 2002 and 1997 Commodity
Flow Surveys. Because of rounding, estimates may not be additive]
Excel | CSV
Division
1.1, Explosives with a mass explosion hazard
All modes |
470 |
1,515 |
– 69 |
S |
S |
S |
S |
S |
S |
S |
294 |
S |
Single modes |
458 |
1,509 |
– 69.6 |
S |
S |
S |
S |
S |
S |
S |
319 |
S |
Truck 1 |
458 |
1,060 |
– 56.8 |
S |
326 |
S |
S |
S |
S |
S |
316 |
S |
For–hire
truck |
337 |
703 |
– 52.1 |
S |
107 |
S |
S |
65 |
S |
849 |
605 |
40.4 |
Private truck |
S |
357 |
S |
S |
S |
S |
S |
S |
S |
56 |
152 |
– |
Rail |
– |
S |
S |
– |
S |
S |
– |
S |
S |
– |
1,744 |
– |
Water |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
Air (includes truck and
air) |
– |
S |
S |
– |
S |
S |
– |
S |
S |
– |
177 |
– |
Pipeline 2 |
– |
– |
– |
– |
– |
– |
S |
S |
S |
S |
S |
S |
Multiple modes |
S |
S |
S |
S |
S |
S |
S |
S |
S |
916 |
S |
S |
Parcel, U.S.P.S. or
courier |
S |
S |
S |
S |
S |
S |
S |
S |
S |
916 |
S |
S |
Other multiple modes |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
Other and unknown modes |
S |
S |
S |
S |
S |
S |
S |
S |
S |
4 |
67 |
– 94.6 |
Division 1.2, Explosives
with a projection hazard
All modes |
S |
S |
S |
S |
16 |
S |
S |
15 |
S |
1,045 |
853 |
22.5 |
Single modes |
S |
S |
S |
S |
16 |
S |
S |
15 |
S |
1,045 |
838 |
24.6 |
Truck 1 |
S |
S |
S |
S |
16 |
S |
S |
15 |
S |
1,045 |
837 |
24.8 |
For–hire
truck |
S |
S |
S |
S |
15 |
S |
S |
15 |
S |
1,045 |
873 |
19.7 |
Private truck |
– |
S |
S |
– |
S |
S |
– |
S |
S |
– |
9 |
– |
Rail |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
Water |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
Air (includes truck and
air) |
– |
S |
S |
– |
S |
S |
– |
S |
S |
– |
1,231 |
– |
Pipeline 2 |
– |
– |
– |
– |
– |
– |
S |
S |
S |
S |
S |
S |
Multiple modes |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
Parcel, U.S.P.S. or
courier |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
Other multiple modes |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
Other and unknown modes |
– |
S |
S |
– |
S |
S |
– |
S |
S |
– |
1,239 |
– |
Division 1.3,
Explosives with predominantly a fire hazard
All modes |
S |
690 |
S |
27 |
30 |
– 9.5 |
21 |
25 |
– 15.9 |
786 |
448 |
75.6 |
Single modes |
S |
631 |
S |
27 |
23 |
18.8 |
21 |
21 |
1.4 |
786 |
729 |
7.8 |
Truck 1 |
S |
629 |
S |
S |
23 |
S |
19 |
21 |
– 9.2 |
779 |
704 |
10.6 |
For–hire
truck |
S |
603 |
S |
S |
20 |
S |
S |
20 |
S |
861 |
949 |
– 9.3 |
Private truck |
S |
25 |
S |
S |
S |
S |
S |
S |
S |
239 |
333 |
– 28.2 |
Rail |
S |
– |
S |
S |
– |
S |
S |
– |
S |
836 |
– |
– |
Water |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
Air (includes truck and
air) |
S |
S |
S |
S |
S |
S |
S |
S |
S |
2,310 |
2,364 |
– 2.3 |
Pipeline 2 |
– |
– |
– |
– |
– |
– |
S |
S |
S |
S |
S |
S |
Multiple modes |
– |
S |
S |
– |
S |
S |
– |
S |
S |
– |
S |
S |
Parcel, U.S.P.S. or
courier |
– |
S |
S |
– |
S |
S |
– |
S |
S |
– |
S |
S |
Other multiple modes |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
Other and unknown modes |
– |
S |
S |
– |
S |
S |
– |
S |
S |
– |
293 |
– |
Division 1.4, Explosives
with no significant blast hazard
All modes |
5,245 |
2,762 |
89.9 |
597 |
340 |
75.7 |
426 |
235 |
81.5 |
834 |
838 |
– 0.5 |
Single modes |
5,108 |
2,256 |
126.5 |
587 |
317 |
85.0 |
415 |
216 |
91.7 |
836 |
604 |
38.5 |
Truck 1 |
5,033 |
1,806 |
178.6 |
586 |
288 |
103.6 |
414 |
180 |
130.0 |
802 |
478 |
67.9 |
For–hire
truck |
4,594 |
1,374 |
234.3 |
564 |
212 |
166.5 |
406 |
157 |
158.3 |
964 |
1,031 |
– 6.6 |
Private truck |
S |
427 |
S |
22 |
76 |
– 71 |
S |
23 |
S |
243 |
194 |
25.2 |
Rail |
S |
S |
S |
S |
S |
S |
S |
S |
S |
534 |
1,663 |
– 67.9 |
Water |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
Air (includes truck and
air) |
S |
189 |
S |
1 |
1 |
– 53.4 |
S |
1 |
S |
2,001 |
1,723 |
16.1 |
Pipeline 2 |
– |
– |
– |
– |
– |
– |
S |
S |
S |
S |
S |
S |
Multiple modes |
136 |
451 |
– 70 |
S |
18 |
S |
S |
16 |
S |
835 |
922 |
– 9.4 |
Parcel, U.S.P.S. or
courier |
136 |
448 |
– 69.7 |
S |
18 |
S |
S |
15 |
S |
835 |
922 |
– 9.4 |
Other multiple modes |
– |
S |
S |
– |
S |
S |
– |
S |
S |
– |
940 |
– |
Other and unknown modes |
S |
55 |
S |
S |
4 |
S |
S |
S |
S |
S |
408 |
S |
Division 1.5, Very
insensitive explosives, blasting agent
All modes |
944 |
260 |
262.4 |
4,325 |
620 |
598.0 |
1,113 |
98 |
S |
S |
102 |
S |
Single modes |
940 |
260 |
261.9 |
4,322 |
616 |
601.5 |
1,113 |
97 |
S |
S |
102 |
S |
Truck 1 |
888 |
260 |
241.9 |
3,972 |
616 |
544.7 |
768 |
97 |
689.9 |
139 |
102 |
36.4 |
For–hire
truck |
144 |
20 |
615.1 |
960 |
58 |
S |
410 |
20 |
S |
405 |
334 |
21.5 |
Private truck |
742 |
240 |
209.7 |
S |
558 |
S |
358 |
S |
S |
91 |
92 |
– 1 |
Rail |
48 |
– |
– |
350 |
– |
– |
345 |
– |
– |
984 |
– |
– |
Water |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
Air (includes truck and
air) |
S |
– |
S |
S |
– |
S |
S |
– |
S |
2,197 |
– |
– |
Pipeline 2 |
– |
– |
– |
– |
– |
– |
S |
S |
S |
S |
S |
S |
Multiple modes |
S |
S |
S |
S |
S |
S |
S |
S |
S |
615 |
518 |
18.7 |
Parcel, U.S.P.S. or
courier |
S |
– |
S |
S |
– |
S |
S |
– |
S |
615 |
– |
– |
Other multiple modes |
– |
S |
S |
– |
S |
S |
– |
S |
S |
– |
518 |
– |
Other and unknown modes |
S |
S |
S |
S |
S |
S |
S |
S |
S |
8 |
104 |
– 92.6 |
Division 2.1, Flammable
gases
All modes |
39,955 |
28,773 |
38.9 |
122,465 |
80,861 |
51.5 |
22,064 |
11,124 |
98.4 |
96 |
54 |
77.3 |
Single modes |
39,626 |
27,494 |
44.1 |
121,749 |
79,181 |
53.8 |
21,795 |
10,908 |
99.8 |
95 |
51 |
86.1 |
Truck 1 |
16,998 |
11,599 |
46.5 |
44,031 |
26,838 |
64.1 |
5,295 |
2,616 |
102.4 |
81 |
44 |
84.1 |
For–hire
truck |
6,241 |
3,946 |
58.2 |
18,571 |
13,013 |
42.7 |
3,651 |
1,741 |
109.7 |
461 |
364 |
26.7 |
Private truck |
10,757 |
7,531 |
42.8 |
25,460 |
13,544 |
88.0 |
1,643 |
855 |
92.2 |
27 |
22 |
23.1 |
Rail |
7,579 |
2,961 |
156.0 |
22,755 |
8,608 |
164.3 |
13,061 |
5,401 |
141.8 |
659 |
604 |
9.2 |
Water |
1,528 |
1,084 |
41.0 |
6,206 |
4,205 |
47.6 |
1,248 |
1,086 |
14.9 |
226 |
317 |
– 28.7 |
Air (includes truck and
air) |
S |
S |
S |
S |
S |
S |
S |
S |
S |
1,549 |
2,816 |
– 45 |
Pipeline 2 |
13,463 |
11,850 |
13.6 |
48,740 |
39,530 |
23.3 |
S |
S |
S |
S |
S |
S |
Multiple modes |
122 |
219 |
– 44.1 |
530 |
479 |
10.7 |
262 |
100 |
161.7 |
805 |
S |
S |
Parcel, U.S.P.S. or
courier |
S |
23 |
S |
S |
2 |
S |
S |
1 |
S |
715 |
602 |
18.8 |
Other multiple modes |
76 |
196 |
– 61.1 |
529 |
478 |
10.6 |
260 |
99 |
162.9 |
S |
142 |
S |
Other and unknown modes |
S |
1,061 |
S |
186 |
1,201 |
– 84.5 |
8 |
S |
S |
S |
S |
S |
Division 2.2,
Nonflammable, nontoxic compressed gases
All modes |
27,024 |
12,597 |
114.5 |
66,329 |
34,109 |
94.5 |
9,012 |
5,451 |
65.3 |
92 |
61 |
51.0 |
Single modes |
26,260 |
11,959 |
119.6 |
66,118 |
32,849 |
101.3 |
8,918 |
5,306 |
68.1 |
83 |
50 |
64.4 |
Truck 1 |
25,111 |
10,606 |
136.8 |
40,261 |
28,207 |
42.7 |
6,540 |
3,359 |
94.7 |
81 |
47 |
72.1 |
For–hire
truck |
13,254 |
4,467 |
196.7 |
4,598 |
2,924 |
57.3 |
2,137 |
850 |
151.5 |
630 |
457 |
37.8 |
Private truck |
11,847 |
6,111 |
93.9 |
35,479 |
25,218 |
40.7 |
4,219 |
2,465 |
71.2 |
42 |
30 |
41.5 |
Rail |
218 |
253 |
– 13.9 |
385 |
453 |
– 15.1 |
S |
283 |
S |
857 |
682 |
25.5 |
Water |
S |
S |
S |
S |
S |
S |
S |
S |
S |
100 |
1,401 |
– 92.8 |
Air (includes truck and
air) |
186 |
475 |
– 60.8 |
S |
4 |
S |
S |
3 |
S |
1,298 |
1,221 |
6.3 |
Pipeline 2 |
S |
437 |
S |
S |
4,075 |
S |
S |
S |
S |
S |
S |
S |
Multiple modes |
547 |
270 |
102.5 |
65 |
S |
S |
S |
23 |
S |
629 |
406 |
54.9 |
Parcel, U.S.P.S. or
courier |
467 |
246 |
90.1 |
S |
S |
S |
6 |
S |
S |
624 |
406 |
53.6 |
Other multiple modes |
80 |
24 |
227.3 |
S |
S |
S |
S |
S |
S |
1,053 |
S |
S |
Other and unknown modes |
217 |
368 |
– 41 |
147 |
S |
S |
S |
S |
S |
S |
S |
S |
Division 2.3, Gases
toxic by inhalation
All modes |
6,953 |
5,918 |
17.5 |
24,564 |
22,168 |
10.8 |
6,186 |
9,426 |
– 34.4 |
117 |
91 |
28.8 |
Single modes |
6,850 |
5,698 |
20.2 |
24,239 |
20,622 |
17.5 |
6,155 |
9,354 |
– 34.2 |
117 |
125 |
– 6.3 |
Truck 1 |
4,911 |
2,384 |
106.0 |
12,574 |
7,473 |
68.3 |
1,702 |
1,324 |
28.5 |
105 |
72 |
45.2 |
For–hire
truck |
2,366 |
1,244 |
90.2 |
6,190 |
4,287 |
44.4 |
998 |
S |
S |
212 |
184 |
15.0 |
Private truck |
2,542 |
1,122 |
126.6 |
6,368 |
3,111 |
104.7 |
S |
271 |
S |
60 |
46 |
30.0 |
Rail |
1,169 |
2,765 |
– 57.7 |
6,090 |
8,868 |
– 31.3 |
3,226 |
6,736 |
– 52.1 |
549 |
764 |
– 28.1 |
Water |
S |
224 |
S |
S |
2,161 |
S |
S |
869 |
S |
460 |
1,024 |
– 55 |
Air (includes truck and
air) |
S |
S |
S |
S |
S |
S |
S |
S |
S |
610 |
1,103 |
– 44.7 |
Pipeline 2 |
624 |
322 |
93.5 |
4,685 |
2,120 |
121.0 |
S |
S |
S |
S |
S |
S |
Multiple modes |
S |
S |
S |
S |
S |
S |
S |
S |
S |
316 |
788 |
– 59.9 |
Parcel, U.S.P.S. or
courier |
S |
S |
S |
S |
– |
S |
– |
S |
S |
318 |
790 |
– 59.8 |
Other multiple modes |
S |
S |
S |
S |
S |
S |
S |
S |
S |
1 |
477 |
– 99.7 |
Other and unknown modes |
86 |
212 |
– 59.5 |
S |
S |
S |
31 |
S |
S |
S |
S |
S |
Division 4.1, Flammable
solids
All modes |
3,229 |
2,001 |
61.4 |
9,214 |
10,137 |
– 9.1 |
3,123 |
8,446 |
– 63 |
256 |
880 |
– 70.9 |
Single modes |
2,787 |
1,864 |
49.5 |
9,185 |
10,037 |
– 8.5 |
3,108 |
8,338 |
– 62.7 |
S |
775 |
S |
Truck 1 |
2,369 |
1,575 |
50.4 |
5,051 |
3,718 |
35.8 |
513 |
488 |
5.3 |
S |
682 |
S |
For–hire
truck |
321 |
971 |
– 67 |
3,442 |
2,917 |
18.0 |
398 |
415 |
– 4.2 |
283 |
417 |
– 32.1 |
Private truck |
2,048 |
593 |
245.1 |
1,609 |
599 |
168.7 |
115 |
67 |
72.4 |
S |
943 |
S |
Rail |
S |
232 |
S |
2,795 |
5,904 |
– 52.7 |
2,118 |
7,815 |
– 72.9 |
859 |
1,391 |
– 38.2 |
Water |
16 |
S |
S |
1,263 |
S |
S |
S |
S |
S |
269 |
108 |
148.4 |
Air (includes truck and
air) |
S |
S |
S |
S |
S |
S |
S |
S |
S |
1,974 |
1,408 |
40.2 |
Pipeline 2 |
S |
S |
S |
S |
390 |
S |
S |
S |
S |
S |
S |
S |
Multiple modes |
S |
S |
S |
S |
S |
S |
S |
S |
S |
1,023 |
1,010 |
1.3 |
Parcel, U.S.P.S. or
courier |
41 |
S |
S |
1 |
6 |
– 86.8 |
1 |
5 |
– 85.4 |
883 |
1,007 |
– 12.4 |
Other multiple modes |
S |
S |
S |
S |
S |
S |
S |
S |
S |
4,858 |
1,657 |
193.2 |
Other and unknown modes |
S |
S |
S |
S |
S |
S |
S |
S |
S |
S |
426 |
S |
Division 4.2,
Spontaneously combustible materials
All modes |
1,849 |
1,098 |
68.4 |
927 |
956 |
– 3 |
526 |
785 |
– 32.9 |
108 |
165 |
– 34.5 |
Single modes |
1,750 |
1,086 |
61.2 |
917 |
949 |
– 3.5 |
512 |
780 |
– 34.3 |
84 |
172 |
– 51.3 |
Truck 1 |
1,552 |
597 |
160.1 |
616 |
560 |
10.1 |
S |
167 |
S |
82 |
137 |
– 39.7 |
For–hire
truck |
S |
401 |
S |
551 |
385 |
42.9 |
S |
133 |
S |
191 |
335 |
– 42.9 |
Private truck |
474 |
196 |
142.4 |
65 |
174 |
– 63 |
S |
35 |
S |
41 |
62 |
– 34 |
Rail |
195 |
489 |
– 60.2 |
S |
390 |
S |
250 |
613 |
– 59.1 |
819 |
1,559 |
– 47.5 |
Water |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
Air (includes truck and
air) |
S |
S |
S |
S |
– |
S |
S |
– |
S |
2,002 |
1,167 |
71.5 |
Pipeline 2 |
– |
– |
– |
– |
– |
– |
S |
S |
S |
S |
S |
S |
Multiple modes |
97 |
S |
S |
6 |
S |
S |
S |
S |
S |
254 |
303 |
– 16.2 |
Parcel, U.S.P.S. or
courier |
96 |
S |
S |
6 |
S |
S |
S |
S |
S |
254 |
264 |
– 3.8 |
Other multiple modes |
S |
S |
S |
S |
S |
S |
S |
S |
S |
1,913 |
1,806 |
6.0 |
Other and unknown modes |
S |
S |
S |
S |
S |
S |
S |
S |
S |
S |
7 |
S |
Division 4.3, Dangerous
when wet materials
All modes |
S |
1,140 |
S |
1,159 |
S |
S |
S |
505 |
S |
369 |
477 |
– 22.6 |
Single modes |
S |
1,068 |
S |
1,105 |
S |
S |
S |
493 |
S |
315 |
295 |
7.0 |
Truck 1 |
S |
930 |
S |
1,044 |
S |
S |
S |
282 |
S |
310 |
284 |
9.2 |
For–hire
truck |
S |
667 |
S |
S |
525 |
S |
S |
195 |
S |
615 |
508 |
21.1 |
Private truck |
168 |
261 |
– 35.8 |
410 |
S |
S |
S |
S |
S |
79 |
241 |
– 67 |
Rail |
S |
135 |
S |
S |
184 |
S |
S |
211 |
S |
1,507 |
940 |
60.4 |
Water |
– |
S |
S |
– |
S |
S |
– |
S |
S |
– |
228 |
– |
Air (includes truck and
air) |
S |
S |
S |
S |
S |
S |
S |
S |
S |
2,498 |
1,351 |
84.9 |
Pipeline 2 |
– |
– |
– |
– |
– |
– |
S |
S |
S |
S |
S |
S |
Multiple modes |
56 |
S |
S |
S |
S |
S |
S |
S |
S |
604 |
1,825 |
– 66.9 |
Parcel, U.S.P.S. or
courier |
S |
S |
S |
S |
S |
S |
S |
S |
S |
592 |
1,829 |
– 67.7 |
Other multiple modes |
S |
S |
S |
S |
S |
S |
S |
S |
S |
1,081 |
1,433 |
– 24.6 |
Other and unknown modes |
S |
S |
S |
S |
S |
S |
S |
S |
S |
S |
40 |
S |
Division 5.1, Oxidizers
All modes |
4,610 |
4,153 |
11.0 |
11,773 |
9,148 |
28.7 |
3,807 |
4,412 |
– 13.7 |
398 |
185 |
114.9 |
Single modes |
4,475 |
4,039 |
10.8 |
11,403 |
8,935 |
27.6 |
3,598 |
4,332 |
– 16.9 |
353 |
169 |
108.7 |
Truck 1 |
3,737 |
2,922 |
27.9 |
8,976 |
5,750 |
56.1 |
2,303 |
1,511 |
52.4 |
343 |
154 |
122.6 |
For–hire
truck |
1,664 |
1,774 |
– 6.2 |
5,897 |
2,897 |
103.5 |
S |
1,126 |
S |
539 |
487 |
10.8 |
Private truck |
2,066 |
1,138 |
81.5 |
3,023 |
2,845 |
6.3 |
278 |
384 |
– 27.7 |
68 |
55 |
22.4 |
Rail |
736 |
1,115 |
– 34 |
2,427 |
3,182 |
– 23.7 |
1,295 |
2,820 |
– 54.1 |
623 |
870 |
– 28.4 |
Water |
– |
S |
S |
– |
S |
S |
– |
S |
S |
– |
S |
S |
Air (includes truck and
air) |
S |
S |
S |
– |
– |
S |
S |
S |
S |
1,071 |
814 |
31.5 |
Pipeline 2 |
– |
– |
– |
– |
– |
– |
S |
S |
S |
S |
S |
S |
Multiple modes |
84 |
35 |
138.9 |
S |
S |
S |
S |
S |
S |
1,173 |
439 |
167.2 |
Parcel, U.S.P.S. or
courier |
S |
S |
S |
S |
S |
S |
S |
– |
S |
1,216 |
427 |
184.6 |
Other multiple modes |
74 |
S |
S |
S |
S |
S |
S |
S |
S |
S |
2,359 |
S |
Other and unknown modes |
S |
79 |
S |
S |
S |
S |
S |
S |
S |
S |
75 |
S |
Division 5.2, Organic
peroxides
All modes |
861 |
332 |
159.1 |
S |
92 |
S |
S |
60 |
S |
511 |
324 |
58.0 |
Single modes |
857 |
324 |
164.4 |
S |
89 |
S |
S |
57 |
S |
484 |
329 |
47.1 |
Truck 1 |
S |
324 |
S |
S |
89 |
S |
S |
57 |
S |
480 |
287 |
67.2 |
For–hire
truck |
S |
195 |
S |
S |
57 |
S |
S |
37 |
S |
574 |
531 |
8.2 |
Private truck |
S |
116 |
S |
14 |
26 |
– 48.1 |
2 |
S |
S |
77 |
160 |
– 51.6 |
Rail |
S |
– |
S |
S |
– |
S |
S |
– |
S |
2,245 |
– |
– |
Water |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
Air (includes truck and
air) |
S |
S |
S |
S |
S |
S |
S |
S |
S |
823 |
2,424 |
– 66.1 |
Pipeline 2 |
– |
– |
– |
– |
– |
– |
S |
S |
S |
S |
S |
S |
Multiple modes |
S |
S |
S |
S |
S |
S |
S |
S |
S |
633 |
353 |
79.3 |
Parcel, U.S.P.S. or
courier |
S |
S |
S |
S |
S |
S |
S |
S |
S |
633 |
344 |
83.9 |
Other multiple modes |
– |
S |
S |
– |
S |
S |
– |
S |
S |
– |
1,718 |
– |
Other and unknown modes |
S |
S |
S |
S |
S |
S |
S |
S |
S |
1,208 |
37 |
S |
KEY:
– Represents and estimate equal to zero or less than 1 unit of
measure.
S Estimate does not meet publication standards because of highly sampling
variability or poor response quality.
1 "Truck" as a single mode includes shipments that were made by
only private truck, only for–hire truck, or a combination of private and
for–hire truck.
2 Estimates for pipeline exclude shipments of crude petroleum.
SOURCE:
Bureau of Transportation Statistics (USDOT) and U.S.
Census Bureau, 2002 Commodity Flow Survey, Hazmat Data, December 2004.
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