| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Yes, able | 2936 |
90.3%
|
| 3 | 3. Unable | 77 |
2.4%
|
| 8 | 8. Don't know | 3 |
0.1%
|
| 9 | 9. Missing | 236 |
7.3%
|
| Sysmiss | 3117 |