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Table B–4b. Estimated Measures of Reliability for Export Shipment
Characteristics by Export Mode and Country of Destination: 2002 and
1997
[Estimates are shown as percents and are based on data from the 2002 and 1997 Commodity Flow Surveys]
Excel | CSV
Total
All modes |
4.9 |
3.8 |
6.6 |
11.8 |
7.3 |
15.2 |
Canada
All modes |
4.5 |
4.4 |
7.9 |
9.5 |
13.0 |
18.9 |
Single modes |
4.7 |
5.5 |
9.2 |
9.0 |
13.4 |
18.1 |
Truck |
5.9 |
3.7 |
9.7 |
5.7 |
9.5 |
13.0 |
Rail |
13.7 |
26.4 |
25.8 |
18.8 |
21.2 |
38.5 |
Water |
12.6 |
17.5 |
20.0 |
18.4 |
19.0 |
23.1 |
Air (including truck and air) |
13.2 |
13.0 |
18.0 |
25.3 |
26.9 |
22.1 |
Pipeline |
S |
S |
S |
S |
S |
S |
Multiple modes |
10.9 |
7.4 |
55.9 |
31.3 |
13.8 |
S |
Parcel, U.S.P.S. or courier |
22.4 |
7.4 |
42.6 |
17.2 |
13.8 |
14.6 |
Truck and rail |
– |
– |
– |
– |
– |
– |
All other multiple modes |
11.1 |
– |
– |
31.7 |
– |
– |
Other and unknown modes |
21.7 |
9.9 |
6.9 |
36.4 |
10.5 |
19.6 |
Mexico
All modes |
18.0 |
25.9 |
41.4 |
16.0 |
23.7 |
43.0 |
Single modes |
7.1 |
30.0 |
32.3 |
16.5 |
24.8 |
44.7 |
Truck |
9.8 |
40.2 |
43.3 |
13.0 |
29.2 |
37.6 |
Rail |
12.0 |
S |
S |
26.1 |
48.2 |
56.6 |
Water |
27.4 |
S |
S |
28.8 |
S |
S |
Air (including truck and air) |
23.4 |
13.9 |
40.4 |
28.5 |
14.3 |
29.0 |
Pipeline |
S |
S |
S |
S |
S |
S |
Multiple modes |
S |
29.1 |
S |
20.4 |
42.7 |
S |
Parcel, U.S.P.S. or courier |
22.1 |
29.1 |
77.3 |
S |
42.7 |
S |
Truck and rail |
– |
– |
– |
– |
– |
– |
All other multiple modes |
S |
– |
S |
20.8 |
– |
– |
Other and unknown modes |
22.6 |
44.8 |
17.0 |
9.2 |
25.5 |
11.2 |
All Others
All modes |
4.9 |
4.3 |
6.4 |
15.0 |
7.7 |
17.3 |
Single modes |
5.3 |
5.2 |
7.3 |
15.6 |
8.3 |
18.5 |
Truck |
42.1 |
10.6 |
120.5 |
10.4 |
15.9 |
12.9 |
Rail |
21.8 |
18.4 |
79.4 |
43.7 |
24.5 |
281.9 |
Water |
5.8 |
6.5 |
8.6 |
16.4 |
8.5 |
19.2 |
Air (including truck and air) |
7.5 |
9.3 |
10.9 |
11.5 |
8.8 |
12.2 |
Pipeline |
S |
32.6 |
S |
S |
35.9 |
S |
Multiple modes |
6.1 |
10.0 |
37.8 |
24.7 |
40.7 |
S |
Parcel, U.S.P.S. or courier |
10.3 |
10.0 |
20.7 |
46.9 |
40.7 |
41.6 |
Truck and rail |
– |
– |
– |
– |
– |
– |
All other multiple modes |
8.8 |
– |
– |
25.6 |
– |
– |
Other and unknown modes |
16.1 |
8.6 |
5.3 |
36.5 |
29.5 |
11.4 |
KEY:
– Represents an estimate equal to zero or less than 1 unit of
measure.
S Estimate does not meet publication standards because of high sampling
variability or poor response quality.
CV Coefficient of variation of number
NOTE: The Introduction and
appendixes give information on confidentiality protection, sampling error,
nonsampling error, sample design, and definitions. Links to this information
on the Internet may be found at www.census.gov/cfs.
SOURCE: Research and Innovative Technologies
Administration, Bureau of Transportation Statistics (USDOT) and U.S. Census
Bureau, 2002 Commodity Flow Survey, Export Data, March 2005.
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