| Value | Category | Cases | |
|---|---|---|---|
| 1 | Old/ill | 1551 |
6.2%
|
| 2 | Home making | 5592 |
22.4%
|
| 3 | Study | 7854 |
31.5%
|
| 4 | Others | 402 |
1.6%
|
| Sysmiss | 9556 |