| Value | Category | Cases | |
|---|---|---|---|
| 1 | Old/ illness | 1297 |
8.9%
|
| 2 | Housekeeping | 3446 |
23.5%
|
| 3 | Studying or Training | 4052 |
27.7%
|
| 4 | Others | 456 |
3.1%
|
| Sysmiss | 5403 |