| Value | Category | Cases | |
|---|---|---|---|
| 1 | Old/ illness | 1574 |
10%
|
| 2 | Housekeeping | 3585 |
22.9%
|
| 3 | Studying or Training | 4233 |
27%
|
| 4 | Others | 526 |
3.4%
|
| Sysmiss | 5756 |