| Value | Category | Cases | |
|---|---|---|---|
| 1 | Old/ illness | 1410 |
9.6%
|
| 2 | Housekeeping | 3442 |
23.3%
|
| 3 | Studying or Training | 4022 |
27.3%
|
| 4 | Others | 446 |
3%
|
| Sysmiss | 5430 |