| Value | Category | Cases | |
|---|---|---|---|
| 1 | Old/ illness | 1947 |
8.1%
|
| 2 | Housekeeping | 5061 |
21.2%
|
| 3 | Studying or Training | 7052 |
29.5%
|
| 4 | Others | 1116 |
4.7%
|
| Sysmiss | 8717 |