| Value | Category | Cases | |
|---|---|---|---|
| 1 | illness | 1632 |
68.7%
|
| 2 | fees | 261 |
11%
|
| 3 | uniform | 80 |
3.4%
|
| 4 | other | 404 |
17%
|
| Sysmiss | 12346 |