| Age | Frequency | Percent |
| 36 - 40 | 4 | 7 |
| 41 - 45 | 9 | 17 |
| 46 - 50 | 20 | 37 |
| 51 - 55 | 12 | 22 |
| 56 - 60 | 4 | 7 |
| 61 - 65 | 5 | 9 |
| Total | 54 | 100 |