| Value | Category | Cases | |
|---|---|---|---|
| 1 | Old/ill | 1480 |
5.1%
|
| 2 | Home making | 7153 |
24.5%
|
| 3 | Study | 10643 |
36.5%
|
| 4 | Others | 1339 |
4.6%
|
| Sysmiss | 8534 |