| Value | Category | Cases | |
|---|---|---|---|
| 1 | Old/ illness | 2046 |
8.4%
|
| 2 | Housekeeping | 5173 |
21.2%
|
| 3 | Studying or Training | 7159 |
29.3%
|
| 4 | Others | 1000 |
4.1%
|
| Sysmiss | 9028 |