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Table Ba4778-4782 - Underground accidents in the bituminous coal industry: 1906-1930
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Ba4778
Ba4779
Ba4780
Ba4781
Ba4782
Persons killed in accidents
Accident rate
All
Large-scale
Total
Small-scale
Large-scale
Row
Year
Number
Number
Per 10 million hours
Per 10 million hours
Per 10 million hours
1
1906
1,431
211
19.28
16.44
2.84
2
1907
2,364
899
26.60
16.48
10.12
3
1908
1,637
319
22.60
18.20
4.40
4
1909
1,965
476
23.50
17.81
5.69
5
1910
2,068
471
22.75
17.57
5.18
6
1911
1,840
318
20.83
17.23
3.60
7
1912
1,683
248
18.34
15.64
2.70
8
1913
2,039
445
20.64
16.14
4.50
9
1914
1,714
284
20.12
16.79
3.33
10
1915
1,553
249
18.36
15.42
2.94
11
1916
1,553
142
16.44
14.94
1.50
12
1917
1,908
257
18.84
16.30
2.54
13
1918
1,839
54
18.23
17.70
0.54
14
1919
1,537
101
19.17
17.91
1.26
15
1920
1,627
53
17.34
16.78
0.56
16
1921
1,340
29
19.68
19.25
0.43
17
1922
1,546
269
23.17
19.14
4.03
18
1923
1,825
286
21.03
17.73
3.30
19
1924
1,805
444
24.55
18.51
6.04
20
1925
1,727
253
21.61
18.44
3.17
21
1926
1,953
327
22.00
18.32
3.68
22
1927
1,632
153
20.63
18.70
1.93
23
1928
1,662
316
22.43
18.17
4.26
24
1929
1,615
150
20.97
19.02
1.95
25
1930
1,517
214
23.72
20.37
3.35
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