| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 2253 |
7.6%
|
| 2 | No-Old,ill | 1520 |
5.2%
|
| 3 | No-studying | 10519 |
35.7%
|
| 4 | No-housekeeping | 6631 |
22.5%
|
| 5 | No-others | 330 |
1.1%
|
| Sysmiss | 8230 |