| Value | Category | Cases | |
|---|---|---|---|
| 1 | Old/ill | 1516 |
5.6%
|
| 2 | Home making | 5900 |
21.7%
|
| 3 | Study | 9724 |
35.8%
|
| 4 | Others | 764 |
2.8%
|
| Sysmiss | 9231 |