| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not willing | 0 |
0%
|
| 1 | Yes | 1059 |
12.4%
|
| 2 | No | 7501 |
87.5%
|
| 4 | 1 |
0%
|
|
| 9 | Don't know | 10 |
0.1%
|
| Sysmiss | 112 |