| Value | Category | Cases | |
|---|---|---|---|
| 1 | Old/ill | 6171 |
5.3%
|
| 2 | Home making | 26413 |
22.7%
|
| 3 | Study | 41416 |
35.6%
|
| 4 | Others | 3516 |
3%
|
| Sysmiss | 38923 |