| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 48 |
0.6%
|
| -7 | DON'T KNOW | 68 |
0.8%
|
| 1 | YES | 159 |
2%
|
| 2 | NO | 7726 |
96.6%
|
| Sysmiss | 10 |