| Age | Number of cases | Male | Female |
| <20 | 22 | 17 | 5 |
| 20 - 30 | 119 | 88 | 31 |
| 30 - 40 | 23 | 13 | 10 |
| 40 - 50 | 30 | 5 | 25 |
| 50 - 60 | 20 | 3 | 17 |
| >60 | 12 | 2 | 10 |
| Total | 226 | 128 | 98 |