| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not willing | 0 |
0%
|
| 1 | Yes | 16 |
1.6%
|
| 2 | No | 989 |
98.4%
|
| 9 | Do not know | 0 |
0%
|
| Sysmiss | 3221 |