| Value | Category | Cases | |
|---|---|---|---|
| 1 | Old/ill | 1610 |
5.4%
|
| 2 | Home making | 6810 |
22.7%
|
| 3 | Study | 10951 |
36.5%
|
| 4 | Others | 817 |
2.7%
|
| Sysmiss | 9811 |