| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 13 |
0.2%
|
| -7 | DON'T KNOW | 12 |
0.1%
|
| 1 | YES | 2744 |
34.3%
|
| 2 | NO | 5241 |
65.4%
|
| Sysmiss | 1 |