| Value | Category | Cases | |
|---|---|---|---|
| 1 | Old/ill | 1883 |
6.4%
|
| 2 | Home making | 6615 |
22.4%
|
| 3 | Study | 11166 |
37.7%
|
| 4 | Others | 818 |
2.8%
|
| Sysmiss | 9109 |