| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 0 |
0%
|
| -7 | DON'T KNOW | 13 |
0.4%
|
| 1 | YES | 248 |
7.7%
|
| 2 | NO | 2974 |
91.9%
|
| Sysmiss | 4334 |