| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 2551 |
8.9%
|
| 2 | No-Old,ill | 1855 |
6.5%
|
| 3 | No-studying | 10963 |
38.3%
|
| 4 | No-housekeeping | 6449 |
22.5%
|
| 5 | No-others | 185 |
0.6%
|
| Sysmiss | 6643 |