| Value | Category | Cases | |
|---|---|---|---|
| 1 | Old/ illness | 1936 |
8.5%
|
| 2 | Housekeeping | 4913 |
21.6%
|
| 3 | Studying or Training | 6718 |
29.5%
|
| 4 | Others | 1140 |
5%
|
| Sysmiss | 8069 |