| Value | Category | Cases | |
|---|---|---|---|
| 1 | Old/ illness | 1427 |
9.1%
|
| 2 | Housekeeping | 3599 |
23.1%
|
| 3 | Studying or Training | 4311 |
27.6%
|
| 4 | Others | 447 |
2.9%
|
| Sysmiss | 5826 |