| Age (yr) | Male | Female | Total | |||
| n | % | n | % | n | % | |
| 10 - 20 | 0 | 0 | 14 | 41 | 14 | 35 |
| 21 - 30 | 5 | 83 | 14 | 41 | 19 | 47.5 |
| 31 - 40 | 0 | 0 | 4 | 12 | 4 | 10 |
| 41 - 50 | 1 | 17 | 2 | 6 | 3 | 7.5 |