| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 1644 |
7.1%
|
| 2 | No-Old,ill | 1549 |
6.6%
|
| 3 | No-studying | 3200 |
13.7%
|
| 4 | No-housekeeping | 7348 |
31.5%
|
| 5 | No-others | 1046 |
4.5%
|
| Sysmiss | 8518 |