| Value | Category | Cases | |
|---|---|---|---|
| 1 | Old/ill | 1652 |
5.6%
|
| 2 | Home making | 6584 |
22.4%
|
| 3 | Study | 10585 |
35.9%
|
| 4 | Others | 850 |
2.9%
|
| Sysmiss | 9784 |