| Age group (year) | Number | Percent (%) |
| ˂15 | 1 | 1.8 |
| 16 - 30 | 5 | 9.3 |
| 31 - 45 | 11 | 20.4 |
| 46 - 60 | 19 | 35.2 |
| 61 - 75 | 10 | 18.5 |
| ˃76 | 8 | 14.8 |
| Total | 54 | 100 |