| Value | Category | Cases | |
|---|---|---|---|
| 1 | Old/ illness | 1984 |
8.3%
|
| 2 | Housekeeping | 5236 |
22%
|
| 3 | Studying or Training | 7030 |
29.6%
|
| 4 | Others | 944 |
4%
|
| Sysmiss | 8592 |