| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 3160 |
36.8%
|
| 2 | No | 3504 |
40.8%
|
| 3 | Not sure | 1914 |
22.3%
|
| 9 | 6 |
0.1%
|
|
| Sysmiss | 3425 |