| Value | Category | Cases | |
|---|---|---|---|
| 1 | Old/ill | 1337 |
4.5%
|
| 2 | Home making | 6806 |
23.1%
|
| 3 | Study | 10873 |
36.9%
|
| 4 | Others | 1342 |
4.6%
|
| Sysmiss | 9127 |