| Value | Category | Cases | |
|---|---|---|---|
| 1 | Old/ill | 1911 |
8.2%
|
| 2 | Home making | 4736 |
20.3%
|
| 3 | Study | 7106 |
30.5%
|
| 4 | Others | 957 |
4.1%
|
| Sysmiss | 8625 |