| Years of work | 1 - 5 | 6 - 10 | 11 - 15 | 16 - 20 | 21+ | Total | |
| Status | Junior Staff | 16 | 12 | 6 | 1 | 4 | 39 |
| 41.0% | 30.8% | 15.4% | 2.6% | 10.3% | 100.0% | ||
| senior staff | 35 | 38 | 18 | 6 | 5 | 102 | |
| 34.3% | 37.3% | 17.6% | 5.9% | 4.9% | 100.0% | ||
| Total | 51 | 50 | 24 | 7 | 9 | 141 | |