| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Yes, able | 2777 |
87.6%
|
| 3 | 3. Unable | 380 |
12%
|
| 8 | 8. Don't know | 14 |
0.4%
|
| 9 | 9. Missing | 0 |
0%
|
| Sysmiss | 3410 |