| Age (Years) | Frequency | Percentage |
| 12 | 8 | 10 |
| 15 | 6 | 7.5 |
| 16 | 4 | 5 |
| 18 | 4 | 5 |
| 19 | 12 | 15 |
| 20 | 12 | 15 |
| 21 | 2 | 2.5 |
| 23 | 2 | 2.5 |
| Don’t know | 30 | 37.5 |
| Total | 80 | 100.0 |