| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not willing | 0 |
0%
|
| 1 | Yes | 2 |
0.6%
|
| 2 | No | 338 |
99.4%
|
| 9 | Do not know | 0 |
0%
|
| Sysmiss | 3886 |