| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Yes, able | 6 |
1.7%
|
| 3 | 3. Unable | 119 |
32.8%
|
| 8 | 8. Don't know | 5 |
1.4%
|
| 9 | 9. Not responding | 233 |
64.2%
|
| Sysmiss | 6006 |