| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 3221 |
37.5%
|
| 2 | No | 3762 |
43.8%
|
| 3 | Not sure | 1595 |
18.6%
|
| 9 | 16 |
0.2%
|
|
| Sysmiss | 3415 |