| Value | Category | Cases | |
|---|---|---|---|
| 1 | Old/ill | 1837 |
6.3%
|
| 2 | Home making | 6237 |
21.3%
|
| 3 | Study | 10966 |
37.4%
|
| 4 | Others | 862 |
2.9%
|
| Sysmiss | 9385 |