| Value | Category | Cases | |
|---|---|---|---|
| 1 | Old/ill | 1812 |
7.3%
|
| 2 | Home making | 5099 |
20.4%
|
| 3 | Study | 7605 |
30.4%
|
| 4 | Others | 1065 |
4.3%
|
| Sysmiss | 9398 |