| Value | Category | Cases | |
|---|---|---|---|
| 1 | Old/ill | 1627 |
6.7%
|
| 2 | Home making | 4782 |
19.6%
|
| 3 | Study | 7492 |
30.7%
|
| 4 | Others | 326 |
1.3%
|
| Sysmiss | 10204 |