| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 2302 |
11.8%
|
| 2 | No | 4973 |
25.5%
|
| 3 | Don't know | 12209 |
62.6%
|
| 4 | 4 |
0%
|
|
| Sysmiss | 310 |