| Value | Category | Cases | |
|---|---|---|---|
| 1 | Old/ illness | 1232 |
8.7%
|
| 2 | Housekeeping | 3365 |
23.7%
|
| 3 | Studying or Training | 3878 |
27.4%
|
| 4 | Others | 370 |
2.6%
|
| Sysmiss | 5328 |