| Value | Category | Cases | |
|---|---|---|---|
| 1 | Old/ illness | 1982 |
8.3%
|
| 2 | Housekeeping | 5240 |
21.9%
|
| 3 | Studying or Training | 7188 |
30%
|
| 4 | Others | 915 |
3.8%
|
| Sysmiss | 8640 |