| Value | Category | Cases | |
|---|---|---|---|
| 1 | Old/ill | 6533 |
5.6%
|
| 2 | Home making | 25631 |
22.1%
|
| 3 | Study | 42277 |
36.4%
|
| 4 | Others | 3204 |
2.8%
|
| Sysmiss | 38557 |