| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not willing | 2 |
0.1%
|
| 1 | Yes | 1048 |
29.9%
|
| 2 | No | 2459 |
70.1%
|
| 9 | Do not know | 1 |
0%
|
| Sysmiss | 716 |