| Value | Category | Cases | |
|---|---|---|---|
| 1 | Old/ill | 1374 |
4.7%
|
| 2 | Home making | 7486 |
25.9%
|
| 3 | Study | 9609 |
33.2%
|
| 4 | Others | 1647 |
5.7%
|
| Sysmiss | 8843 |