| Value | Category | Cases | |
|---|---|---|---|
| 1 | Old/ill | 1713 |
5.8%
|
| 2 | Home making | 6047 |
20.6%
|
| 3 | Study | 10656 |
36.3%
|
| 4 | Others | 913 |
3.1%
|
| Sysmiss | 10052 |