| Value | Category | Cases | |
|---|---|---|---|
| 1 | Old/ill | 1826 |
7.4%
|
| 2 | Home making | 5069 |
20.6%
|
| 3 | Study | 7566 |
30.7%
|
| 4 | Others | 1018 |
4.1%
|
| Sysmiss | 9170 |