TABLE 1. - Injury experience and worktime data at
coal, metal, nonmetal, stone, and sand and gravel mines
and mills in the United States, 1931-77
Injuries
Nonfatal All Non- All
Year Fatal disabling disabling disabling injuries
1931 1,688 92,533 94,221 NA 94,221
1932 1,346 65,130 66,476 NA 66,476
1933 1,223 68,987 70,210 NA 70,210
1934 1,407 77,835 79,242 NA 79,242
1935 1,464 78,415 79,879 NA 79,879
1936 1,650 88,707 90,357 NA 90,357
1937 1,723 91,781 93,504 NA 93,504
1938 1,352 68,233 69,585 NA 69,585
1939 1,310 71,552 72,862 NA 72,862
1940 1,695 78,709 80,404 NA 80,404
1941 1,588 84,666 86,254 NA 86,254
1942 1,832 87,977 89,809 NA 89,809
1943 1,765 83,659 85,424 NA 85,424
1944 1,535 79,525 81,060 NA 81,060
1945 1,242 70,337 71,579 NA 71,579
1946 1,149 70,067 71,216 NA 71,216
1947 1,378 73,636 75,014 NA 75,014
1948 1,202 68,107 69,309 NA 69,309
1949 737 49,094 49,831 NA 49,831
1950 807 50,660 51,467 NA 51,467
1951 960 49,451 50,411 NA 50,411
1952 757 43,284 44,041 NA 44,041
1953 622 37,117 37,739 NA 37,739
1954 535 28,332 28,867 NA 28,867
1955 577 30,935 31,512 NA 31,512
1956 620 31,917 32,537 NA 32,537
1957 630 30,923 31,553 NA 31,553
1958 525 26,841 27,366 NA 27,366
1959 466 25,976 26,442 NA 26,442
1960 510 25,621 26,131 NA 26,131
1961 421 23,959 24,380 NA 24,380
1962 505 22,408 22,913 NA 22,913
1963 457 22,313 22,770 NA 22,770
1964 421 22,552 22,973 NA 22,973
1965 439 22,549 22,988 NA 22,988
1966 428 22,759 23,187 NA 23,187
1967 403 21,320 21,723 NA 21,723
1968 493 20,738 21,231 NA 21,231
1969 382 21,327 21,709 NA 21,709
1970 425 23,900 24,325 NA 24,325
1971 345 24,064 24,409 NA 24,409
1972 390 21,925 22,315 16,090 38,405
1973 307 19,471 19,778 20,995 40,773
1974 291 17,445 17,736 13,457 31,193
1975 278 19,528 19,806 15,283 35,089
1976 254 22,874 23,128 17,348 40,476
1977 272 23,647 23,919 16,090 40,009
NA Not available.
Frequency rate per million man-hour
Nonfatal All Non All
Year Fatal disabling disabling disabling injuries
1931 1.42 77.62 79.03 NA 79.03
1932 1.50 72.75 74.25 NA 74.25
1933 1.24 70.01 71.25 NA 71.25
1934 1.30 71.99 73.29 NA 73.29
1935 1.32 70.45 71.77 NA 71.77
1936 1.27 68.06 69.33 NA 69.33
1937 1.28 68.36 69.64 NA 69.64
1938 1.30 65.48 66.77 NA 66.77
1939 1.15 62.86 64.01 NA 64.01
1940 1.36 63.00 64.36 NA 64.36
1941 1.15 61.22 62.37 NA 62.37
1942 1.23 59.19 60.42 NA 60.42
1943 1.21 57.44 58.65 NA 58.65
1944 1.06 55.16 56.23 NA 56.23
1945 0.96 54.53 55.49 NA 55.49
1946 0.94 57.08 58.02 NA 58.02
1947 1.03 54.81 55.83 NA 55.83
1948 0.92 52.28 53.20 NA 53.20
1949 0.71 47.62 48.33 NA 48.33
1950 0.73 45.56 46.28 NA 46.28
1951 0.86 44.27 45.13 NA 45.13
1952 0.75 42.89 43.64 NA 43.64
1953 0.66 39.60 40.26 NA 40.26
1954 0.70 36.99 37.69 NA 37.69
1955 0.70 37.59 38.29 NA 38.29
1956 0.71 36.42 37.12 NA 37.12
1957 0.71 35.09 35.81 NA 35.81
1958 0.61 31.26 31.87 NA 31.87
1959 0.53 29.81 30.34 NA 30.34
1960 0.58 29.24 29.83 NA 29.83
1961 0.51 28.99 29.50 NA 29.50
1962 0.63 28.01 28.64 NA 28.64
1963 0.58 28.17 28.75 NA 28.75
1964 0.53 28.25 28.78 NA 28.78
1965 0.54 27.74 28.28 NA 28.28
1966 0.52 27.88 28.41 NA 28.41
1967 0.52 27.52 28.04 NA 28.04
1968 0.65 27.20 27.84 NA 27.84
1969 0.49 27.47 27.97 NA 27.97
1970 0.53 29.90 30.43 NA 30.43
1971 0.45 31.20 31.65 NA 31.65
1972 0.57 32.17 32.75 23.61 56.36
1973 0.46 28.88 29.33 31.14 60.47
1974 0.41 24.34 24.75 18.78 43.53
1975 0.35 24.80 25.15 19.41 44.55
1976 0.31 27.66 27.96 20.97 48.94
1977 0.32 28.23 28.55 19.21 47.76
NA Not available.
Severity rates per
million man-hours
Man-hours
Nonfatal All worked
Year Fatal disabling disabling (thousands)
1931 8,496 NA NA 1,192,148
1932 9,021 NA NA 895,259
1933 7,446 NA NA 985,455
1934 7,808 NA NA 1,081,198
1935 7,892 NA NA 1,113,057
1936 7,596 NA NA 1,303,294
1937 7,700 NA NA 1,342,609
1938 7,784 NA NA 1,042,122
1939 6,906 NA NA 1,138,211
1940 8,140 NA NA 1,249,366
1941 6,890 NA NA 1,382,971
1942 7,395 NA NA 1,486,465
1943 7,271 NA NA 1,456,429
1944 6,389 1,596 7,985 1,441,605
1945 5,777 1,800 7,577 1,289,973
1946 5,616 1,781 7,398 1,227,521
1947 6,154 1,840 7,994 1,343,565
1948 5,536 1,852 7,388 1,302,746
1949 4,289 1,924 6,213 1,031,024
1950 4,354 1,800 6,154 1,111,960
1951 5,156 1,903 7,060 1,117,087
1952 4,500 1,704 6,204 1,009,223
1953 3,982 1,423 5,405 937,276
1954 4,191 1,306 5,497 765,941
1955 4,207 1,223 5,431 822,877
1956 4,245 1,602 5,847 876,428
1957 4,290 1,508 5,797 881,219
1958 3,669 1,523 5,192 858,637
1959 3,209 1,343 4,552 871,419
1960 3,493 1,277 4,770 876,125
1961 3,057 1,409 4,466 826,379
1962 3,787 1,642 5,429 800,124
1963 3,462 1,475 4,936 792,123
1964 3,165 1,584 4,749 798,181
1965 3,241 1,561 4,802 812,740
1966 3,146 1,441 4,587 816,238
1967 3,121 1,375 4,496 774,790
1968 3,879 1,471 5,350 762,482
1969 2,953 1,399 4,351 776,282
1970 3,190 1,458 4,648 799,258
1971 2,684 1,059 3,743 771,160
1972 3,434 1,356 4,790 681,453
1973 2,732 1,384 4,116 674,223
1974 2,436 1,437 3,873 716,634
1975 2,118 1,396 3,513 787,571
1976 1,843 1,370 3,212 827,118
1977 1,948 2,015 3,963 837,715
NA Not available.
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