| Value | Category | Cases | |
|---|---|---|---|
| 1 | Old/ illness | 1546 |
10.2%
|
| 2 | Housekeeping | 3532 |
23.2%
|
| 3 | Studying or Training | 3970 |
26.1%
|
| 4 | Others | 423 |
2.8%
|
| Sysmiss | 5757 |