| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Yes, able | 3021 |
93.5%
|
| 3 | 3. Unable | 207 |
6.4%
|
| 8 | 8. Don't know | 3 |
0.1%
|
| 9 | 9. Missing | 1 |
0%
|
| Sysmiss | 3137 |