| Value | Category | Cases | |
|---|---|---|---|
| 1 | Old/ illness | 1499 |
9.5%
|
| 2 | Housekeeping | 3630 |
23.1%
|
| 3 | Studying or Training | 4307 |
27.4%
|
| 4 | Others | 473 |
3%
|
| Sysmiss | 5793 |