WC | HR | PS | Eng | Risk | Total | |
30 or under | 130 | 52 | 54 | 33 | 73 | 342 |
31 - 40 | 153 | 79 | 71 | 51 | 141 | 495 |
41 - 50 | 178 | 83 | 69 | 56 | 152 | 538 |
Over 50 | 146 | 46 | 26 | 65 | 136 | 419 |
Total | 607 | 260 | 220 | 205 | 502 | 1794 |