Table 02. Average Number of EMPLOYEES at Metallic Operations
in the United States,
by Primary
Activity, 1978-2007
|
Year
|
Underground
Mines
|
Surface
Mines
|
|
|
Underground
|
Surf at UG
|
Total
|
Strip
|
Dredge
|
Other
|
Total
|
|
1978
|
19,697
|
4,441
|
24,138
|
24,705
|
407
|
77
|
25,189
|
|
1979
|
20,935
|
5,082
|
26,017
|
27,079
|
348
|
65
|
27,492
|
|
1980
|
21,333
|
6,216
|
27,549
|
26,705
|
354
|
90
|
27,149
|
|
1981
|
21,665
|
6,882
|
28,547
|
28,572
|
343
|
16
|
28,931
|
|
1982
|
14,701
|
4,827
|
19,528
|
17,016
|
417
|
7
|
17,440
|
|
19831
|
9,322
|
3,348
|
12,670
|
12,396
|
341
|
-
|
12,737
|
|
1984
|
9,292
|
2,476
|
11,768
|
11,814
|
348
|
-
|
12,162
|
|
1985
|
8,177
|
2,084
|
10,261
|
10,552
|
345
|
-
|
10,897
|
|
1986
|
7,071
|
1,844
|
8,915
|
9,971
|
401
|
-
|
10,372
|
|
1987
|
6,883
|
1,902
|
8,785
|
11,692
|
476
|
-
|
12,168
|
|
1988
|
7,452
|
2,022
|
9,474
|
13,876
|
474
|
-
|
14,350
|
|
1989
|
7,751
|
2,172
|
9,923
|
15,940
|
464
|
-
|
16,404
|
|
1990
|
7,552
|
2,313
|
9,835
|
17,301
|
425
|
-
|
17,726
|
|
1991
|
6,642
|
2,011
|
8,653
|
16,883
|
432
|
-
|
17,315
|
|
1992
|
6,090
|
1,991
|
8,081
|
17,088
|
418
|
-
|
17,506
|
|
1993
|
5,607
|
1,637
|
7,244
|
16,702
|
388
|
82
|
17,172
|
|
1994
|
5,644
|
1,417
|
7,061
|
15,662
|
330
|
670
|
16,662
|
|
1995
|
6,060
|
1,500
|
7,560
|
16,458
|
323
|
728
|
17,509
|
|
1996
|
6,139
|
1,435
|
7,574
|
17,298
|
332
|
595
|
18,225
|
|
1997
|
6,221
|
1,378
|
7,599
|
16,714
|
344
|
545
|
17,603
|
|
1998
|
5,855
|
1,203
|
7,058
|
14,997
|
301
|
273
|
15,571
|
|
1999
|
5,294
|
1,193
|
6,487
|
13,002
|
287
|
229
|
13,518
|
|
2000
|
4,413
|
1,015
|
5,428
|
12,037
|
255
|
243
|
12,535
|
|
2001
|
4,443
|
900
|
5,343
|
10,679
|
240
|
157
|
11,076
|
|
2002
|
3,886
|
782
|
4,668
|
9,602
|
209
|
72
|
9,883
|
|
2003
|
3,695
|
791
|
4,486
|
9,001
|
189
|
50
|
9,240
|
|
2004
|
3,905
|
829
|
4,734
|
9,807
|
94
|
74
|
9,975
|
|
2005
|
4,128
|
836
|
4,964
|
10,079
|
96
|
100
|
10,275
|
|
2006
|
4,539
|
903
|
5,442
|
11,277
|
97
|
172
|
11,546
|
|
2007
|
5,333
|
936
|
6,269
|
12,440
|
106
|
209
|
12,755
|
Table 02. Average Number of EMPLOYEES at Metallic Operations
in the United States,
by Primary Activity, 1978-2007- continued:
|
Year
|
Total
Mining
|
Indp
Shops/Yrds
|
Mills
|
Total
w/o Office
|
Office
|
Grand
Total
|
|
1978
|
49,327
|
2,504
|
29,589
|
81,420
|
11,507
|
92,927
|
|
1979
|
53,509
|
2,525
|
33,501
|
89,535
|
12,516
|
102,051
|
|
1980
|
54,698
|
1,217
|
33,733
|
89,648
|
12,621
|
102,269
|
|
1981
|
57,478
|
1,221
|
37,397
|
96,096
|
12,912
|
109,008
|
|
1982
|
36,968
|
704
|
24,352
|
62,024
|
9,803
|
71,827
|
|
19831
|
25,407
|
760
|
18,916
|
45,083
|
6,946
|
52,029
|
|
1984
|
23,930
|
942
|
19,358
|
44,230
|
6,017
|
50,247
|
|
1985
|
21,158
|
914
|
16,613
|
38,685
|
5,276
|
43,961
|
|
1986
|
19,287
|
565
|
14,500
|
34,352
|
4,709
|
39,061
|
|
1987
|
20,953
|
551
|
16,094
|
37,598
|
4,780
|
42,378
|
|
1988
|
23,824
|
415
|
17,971
|
42,210
|
5,451
|
47,661
|
|
1989
|
26,327
|
365
|
26,460
|
47,152
|
6,123
|
53,275
|
|
1990
|
27,561
|
391
|
20,025
|
47,977
|
6,028
|
54,005
|
|
1991
|
25,968
|
382
|
20,267
|
46,617
|
6,253
|
52,870
|
|
1992
|
25,587
|
359
|
19,297
|
45,243
|
6,134
|
51,377
|
|
1993
|
24,416
|
356
|
18,738
|
43,510
|
5,545
|
49,055
|
|
1994
|
23,723
|
374
|
17,840
|
41,937
|
5,438
|
47,375
|
|
1995
|
25,069
|
423
|
18,013
|
43,505
|
5,229
|
48,734
|
|
1996
|
25,799
|
340
|
18,159
|
44,298
|
5,473
|
49,771
|
|
1997
|
25,202
|
351
|
17,960
|
43,513
|
5,502
|
49,015
|
|
1998
|
22,629
|
330
|
17,065
|
40,024
|
5,258
|
45,282
|
|
1999
|
20,005
|
293
|
15,999
|
36,297
|
4,733
|
41,030
|
|
2000
|
17,963
|
305
|
15,074
|
33,342
|
4,308
|
37,650
|
|
2001
|
16,419
|
273
|
12,810
|
29,502
|
3,906
|
33,408
|
|
2002
|
14,551
|
261
|
10,764
|
25,576
|
3,361
|
28,937
|
|
2003
|
13,726
|
241
|
10,715
|
24,682
|
3,398
|
28,080
|
|
2004
|
14,709
|
203
|
10,293
|
25,205
|
3,660
|
28,865
|
|
2005
|
15,239
|
227
|
10,976
|
26,442
|
3,953
|
30,395
|
|
2006
|
16,988
|
201
|
11,444
|
28,633
|
4,241
|
32,874
|
|
2007
|
19,024
|
213
|
12,280
|
31,517
|
4,483
|
36,000
|
1Beginning in 1983, only operator data are
available at this level of detail.
|
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