| Value | Category | Cases | |
|---|---|---|---|
| 1 | Old/ illness | 1911 |
8.2%
|
| 2 | Housekeeping | 4841 |
20.8%
|
| 3 | Studying or Training | 6814 |
29.2%
|
| 4 | Others | 1187 |
5.1%
|
| Sysmiss | 8568 |