| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 2762 |
38.1%
|
| 2 | No | 2133 |
29.4%
|
| 3 | 20 |
0.3%
|
|
| 9 | DK | 2343 |
32.3%
|
| Sysmiss | 3326 |