| Value | Category | Cases | |
|---|---|---|---|
| 1 | Old/ill | 2161 |
9.2%
|
| 2 | Home making | 4720 |
20.1%
|
| 3 | Study | 6877 |
29.3%
|
| 4 | Others | 962 |
4.1%
|
| Sysmiss | 8744 |