| Age groups (years) | N | Frequency (%) |
| [1 - 10] | 1 | 1.04 |
| [11 - 20] | 12 | 12.50 |
| [21 - 30] | 13 | 13.54 |
| [31 - 40] | 20 | 20.83 |
| [41 - 50] | 19 | 19.79 |
| [51 - 60] | 14 | 14.58 |
| [61 - 70] | 14 | 14.58 |
| [71 and more] | 3 | 3.13 |
| Total | 96 | 100 |