| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 2528 |
8.7%
|
| 2 | No-Old,ill | 1360 |
4.7%
|
| 3 | No-studying | 9605 |
33.2%
|
| 4 | No-housekeeping | 7475 |
25.8%
|
| 5 | No-others | 1052 |
3.6%
|
| Sysmiss | 6939 |