| Stage | Males | Females | Total | |||
| Number | Percentage | Number | Percentage | Number | Percentage | |
| 1st year | 44 | 15.38% | 27 | 9.44% | 71 | 24.83% |
| 2nd year | 44 | 15.38% | 28 | 9.79% | 72 | 25.17% |
| 3rd year | 44 | 15.38% | 28 | 9.79% | 72 | 25.17% |
| 4th year | 44 | 15.38% | 27 | 9.44% | 71 | 24.38% |
| Total | 176 | 61.54% | 110 | 38.46% | 286 | 100% |