| Value | Category | Cases | |
|---|---|---|---|
| 1 | Old/ illness | 2073 |
8.8%
|
| 2 | Housekeeping | 5175 |
21.9%
|
| 3 | Studying or Training | 6927 |
29.4%
|
| 4 | Others | 1061 |
4.5%
|
| Sysmiss | 8346 |