| Value | Category | Cases | |
|---|---|---|---|
| 1 | Old/ illness | 1923 |
8.5%
|
| 2 | Housekeeping | 4595 |
20.3%
|
| 3 | Studying or Training | 6875 |
30.4%
|
| 4 | Others | 696 |
3.1%
|
| Sysmiss | 8536 |