| Value | Category | Cases | |
|---|---|---|---|
| 1 | Old/ill | 1625 |
5.6%
|
| 2 | Home making | 6452 |
22.4%
|
| 3 | Study | 9751 |
33.9%
|
| 4 | Others | 681 |
2.4%
|
| Sysmiss | 10275 |