Number of Workers in the Somerset District
| Underground | Above Ground | Total | ||||||||
| Males | Males | Females | Total | |||||||
| Under 16 | 16 & over | Total | Under 14 | 14 to 16 | 16 & over | 14 to 16 | 16 & over | |||
| 1912 | 348 | 5,076 | 5,424 | 16 | 49 | 957 | 0 | 2 | 1,024 | 6,448 |
| 1913 | 374 | 5,274 | 5,648 | 19 | 58 | 963 | 0 | 3 | 1,043 | 6,691 |
| 1914 | 354 | 5,550 | 5,904 | 21 | 54 | 996 | 0 | 2 | 1,073 | 6,977 |
| 1915 | ||||||||||
| 1916 | ||||||||||
| 1917 | ||||||||||
| 1918 | ||||||||||
| 1919 | 327 | 6,032 | 6,359 | 41 | 71 | 1,140 | 0 | 11 | 1,263 | 7,622 |
| 1920 | ||||||||||
| 1921 | 175 | 4,748 | 4,923 | 9 | 60 | 898 | 0 | 10 | 977 | 5,900 |
| 1922 | 129 | 4,177 | 4,306 | 3 | 53 | 858 | 0 | 8 | 922 | 5,228 |
| 1923 | ||||||||||