Table
03. EMPLOYEE HOURS worked at Metal/Nonmetal1Operations in the United States,
by
Primary Activity, 1978-2007
|
Year
|
Underground
Mines
|
Surface
Mines
|
|
|
Underground
|
Surf
at UG
|
Total
|
Strip
|
Dredge
|
Other
|
Total
|
|
1978
|
51,917,265
|
11,129,167
|
63,046,432
|
186,507,927
|
13,615,218
|
634,413
|
200,757,558
|
|
1979
|
55,008,651
|
12,759,917
|
67,768,568
|
197,176,068
|
13,762,372
|
572,432
|
211,510,872
|
|
1980
|
54,219,498
|
14,546,201
|
68,765,699
|
186,113,104
|
12,202,712
|
435,896
|
198,751,712
|
|
1981
|
54,479,694
|
15,500,805
|
69,980,499
|
171,686,415
|
10,567,275
|
75,758
|
182,329,448
|
|
1982
|
37,696,085
|
12,168,240
|
49,864,325
|
90,001,978
|
5,016,534
|
52,466
|
95,070,978
|
|
1983
|
28,016,685
|
8,778,966
|
36,795,651
|
134,346,777
|
9,329,281
|
608,212
|
144,284,270
|
|
1984
|
28,691,406
|
6,891,301
|
35,582,707
|
147,047,501
|
10,147,424
|
86,366
|
157,281,291
|
|
1985
|
25,657,418
|
6,390,370
|
32,047,788
|
148,696,396
|
10,438,947
|
34,162
|
159,169,505
|
|
1986
|
23,660,452
|
5,700,956
|
29,361,408
|
151,864,379
|
10,481,069
|
20,687
|
162,366,135
|
|
1987
|
23,413,382
|
5,982,871
|
29,396,253
|
157,241,685
|
10,937,348
|
50
|
168,179,083
|
|
1988
|
26,082,102
|
6,687,266
|
32,769,368
|
165,691,563
|
11,277,116
|
-
|
176,968,679
|
|
1989
|
26,407,000
|
7,471,065
|
33,878,065
|
169,883,092
|
10,963,708
|
-
|
180,846,800
|
|
1990
|
26,581,189
|
7,514,931
|
34,096,120
|
170,114,864
|
11,044,767
|
-
|
181,159,631
|
|
1991
|
24,557,730
|
6,763,054
|
31,320,784
|
161,890,532
|
10,525,776
|
-
|
172,416,308
|
|
1992
|
22,530,524
|
6,657,733
|
29,188,257
|
160,938,773
|
10,480,119
|
-
|
156,418,892
|
|
1993
|
20,903,782
|
6,109,737
|
27,013,519
|
163,644,226
|
10,718,383
|
152,202
|
174,514,811
|
|
1994
|
21,902,019
|
5,951,673
|
27,853,692
|
170,504,950
|
10,884,126
|
1,434,841
|
182,823,917
|
|
1995
|
23,123,280
|
6,266,783
|
29,390,063
|
177,325,764
|
10,880,022
|
1,703,595
|
189,909,381
|
|
1996
|
24,027,284
|
6,059,860
|
30,087,144
|
179,275,269
|
10,606,859
|
1,482,500
|
191,364,628
|
|
1997
|
24,214,790
|
5,752,396
|
29,967,186
|
181,957,239
|
10,823,476
|
1,224,897
|
194,005,612
|
|
1998
|
23,519,861
|
5,165,287
|
28,685,148
|
187,717,623
|
10,713,392
|
731,001
|
194,162,016
|
|
1999
|
21,749,167
|
4,633,229
|
26,382,396
|
186,799,892
|
10,842,476
|
990,708
|
198,633,076
|
|
2000
|
20,448,008
|
5,641,181
|
26,089,189
|
183,884,215
|
10,773,790
|
627,808
|
195,245,813
|
|
2001
|
20,423,292
|
4,406,239
|
24,829,531
|
179,203,469
|
10,490,800
|
332,595
|
190,026,864
|
|
2002
|
17,392,935
|
3,596,342
|
20,989,277
|
171,453,449
|
10,088,450
|
211,432
|
181,753,331
|
|
2003
|
17,012,578
|
3,763,716
|
20,776,294
|
170,061,067
|
10,534,777
|
185,097
|
180,780,941
|
|
2004
|
18,185,275
|
4,390,532
|
22,575,804
|
179,935,564
|
11,047,861
|
253,224
|
191,236,649
|
|
2005
|
19,545,554
|
4,888,886
|
24,434,440
|
188,836,115
|
11,567,368
|
351,886
|
200,755,369
|
|
2006
|
21,091,097
|
5,359,264
|
26,450,361
|
199,501,813
|
11,564,955
|
441,006
|
211,507,774
|
|
2007
|
23,825,204
|
6,078,554
|
29,903,758
|
203,984,510
|
10,991,597
|
457,068
|
215,433,175
|
All
numbers include contractors.
1Includes
stone, sand and gravel operations.
Table
03. EMPLOYEE HOURS worked at Metal/Nonmetal1Operations 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
|
263,803,990
|
6,031,993
|
200,743,268
|
470,579,251
|
67,855,317
|
538,434,568
|
|
1979
|
279,279,440
|
5,161,573
|
210,765,320
|
495,206,333
|
70,761,906
|
565,968,239
|
|
1980
|
267,517,411
|
3,072,134
|
200,710,607
|
471,300,152
|
69,810,949
|
541,111,101
|
|
1981
|
252,309,947
|
3,257,058
|
199,263,265
|
454,830,270
|
68,019,278
|
522,849,548
|
|
1982
|
144,935,303
|
1,653,389
|
112,649,537
|
259,238,229
|
43,893,146
|
303,131,375
|
|
1983
|
181,079,921
|
2,013,394
|
144,554,382
|
327,647,697
|
52,785,709
|
380,433,406
|
|
1984
|
192,863,998
|
2,525,848
|
151,750,631
|
347,140,477
|
51,433,284
|
398,573,761
|
|
1985
|
191,217,293
|
2,065,004
|
146,589,486
|
339,871,783
|
49,622,297
|
389,494,080
|
|
1986
|
191,727,543
|
1,494,640
|
139,698,120
|
332,920,303
|
48,479,479
|
381,399,782
|
|
1987
|
197,575,336
|
1,587,722
|
145,241,698
|
344,404,756
|
49,325,585
|
393,730,341
|
|
1988
|
209,738,047
|
1,229,809
|
156,970,696
|
367,938,552
|
51,059,528
|
418,998,080
|
|
1989
|
214,724,865
|
1,247,893
|
161,176,616
|
377,149,374
|
53,101,363
|
430,250,737
|
|
1990
|
215,255,751
|
1,198,058
|
160,165,736
|
376,619,545
|
53,244,515
|
429,864,060
|
|
1991
|
203,737,092
|
1,132,953
|
156,022,296
|
360,892,341
|
52,575,649
|
413,467,990
|
|
1992
|
200,607,149
|
1,106,831
|
150,212,722
|
351,926,702
|
52,133,679
|
404,060,381
|
|
1993
|
201,528,330
|
1,066,417
|
147,296,458
|
349,891,205
|
49,654,019
|
399,545,224
|
|
1994
|
210,677,609
|
1,305,880
|
149,314,750
|
361,298,239
|
50,298,807
|
411,597,046
|
|
1995
|
219,299,444
|
1,504,357
|
153,202,781
|
374,006,582
|
50,390,928
|
424,397,510
|
|
1996
|
221,451,772
|
1,467,231
|
156,713,030
|
379,632,033
|
50,727,965
|
430,359,998
|
|
1997
|
223,972,798
|
1,360,494
|
157,779,708
|
383,113,000
|
51,558,622
|
434,668,622
|
|
1998
|
222,847,164
|
1,320,287
|
157,288,780
|
381,456,231
|
51,762,025
|
433,218,256
|
|
1999
|
225,015,472
|
1,167,448
|
155,242,670
|
381,425,590
|
50,999,898
|
432,425,488
|
|
2000
|
221,335,002
|
1,140,701
|
157,755,357
|
380,231,060
|
51,151,010
|
431,382,070
|
|
2001
|
214,856,395
|
1,070,678
|
147,358,353
|
363,285,426
|
48,919,898
|
412,205,324
|
|
2002
|
202,742,608
|
1,068,052
|
131,423,752
|
335,234,412
|
47,076,474
|
382,310,886
|
|
2003
|
201,557,235
|
1,019,450
|
128,159,224
|
330,735,909
|
46,398,629
|
377,134,538
|
|
2004
|
213,812,456
|
1,103,388
|
131,060,298
|
345,976,142
|
47,191,926
|
393,168,068
|
|
2005
|
225,189,809
|
1,194,298
|
136,185,892
|
362,569,999
|
48,166,512
|
410,736,511
|
|
2006
|
237,958,135
|
994,072
|
138,841,934
|
377,794,141
|
49,575,666
|
427,369,807
|
|
2007
|
245,336,933
|
1,013,561
|
143,399,366
|
389,749,860
|
51,763,016
|
441,512,876
|
All
numbers include contractors.
1Includes
stone, sand and gravel operations.
|