| Age (year) | Male, n (%) | Female, n (%) | Total, n (%) |
| 17 - 20 | 0 | 1 | 1 |
| 21 - 30 | 1 | 0 | 1 |
| 31 - 40 | 3 | 1 | 4 (57.1) |
| 41 - 50 | 1 | 0 | 1 |
| Total | 5 (71.4) | 2 (28.6) | 7 (100) |