| Groups | Sex | Total | ||
| Male | Female | Number | Percentage | |
| 1 | 19 | 22 | 41 | 41 |
| 2 | 6 | 31 | 37 | 37 |
| 3 | 4 | 10 | 14 | 14 |
| 4 | 3 | 5 | 8 | 8 |
| Total | 32 | 68 | 100 | 100 |