| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 0 |
0%
|
| -7 | DON'T KNOW | 7 |
0.4%
|
| 1 | YES | 20 |
1.1%
|
| 2 | NO | 1860 |
98.6%
|
| Sysmiss | 6124 |