| Value | Category | Cases | |
|---|---|---|---|
| 1 | Old/ill | 1841 |
6.8%
|
| 2 | Home making | 6133 |
22.7%
|
| 3 | Study | 8871 |
32.8%
|
| 4 | Others | 513 |
1.9%
|
| Sysmiss | 9717 |