| Value | Category | Cases | |
|---|---|---|---|
| 1 | Old/ill | 1706 |
5.8%
|
| 2 | Home making | 6325 |
21.6%
|
| 3 | Study | 10764 |
36.7%
|
| 4 | Others | 839 |
2.9%
|
| Sysmiss | 9664 |