| Value | Category | Cases | |
|---|---|---|---|
| 1 | Old/ill | 1735 |
6.7%
|
| 2 | Home making | 5954 |
22.9%
|
| 3 | Study | 8234 |
31.7%
|
| 4 | Others | 462 |
1.8%
|
| Sysmiss | 9561 |