| Value | Category | Cases | |
|---|---|---|---|
| 1 | Old/ illness | 1643 |
10.3%
|
| 2 | Housekeeping | 3681 |
23.1%
|
| 3 | Studying or Training | 4251 |
26.6%
|
| 4 | Others | 513 |
3.2%
|
| Sysmiss | 5873 |