| Value | Category | Cases | |
|---|---|---|---|
| 1 | Old/ill | 1928 |
8.4%
|
| 2 | Home making | 4699 |
20.4%
|
| 3 | Study | 7045 |
30.6%
|
| 4 | Others | 872 |
3.8%
|
| Sysmiss | 8481 |