| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 3 |
0%
|
| -7 | DON'T KNOW | 58 |
0.7%
|
| 1 | YES | 39 |
0.5%
|
| 2 | NO | 7902 |
98.8%
|
| Sysmiss | 9 |