| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 0 |
0%
|
| -7 | DON'T KNOW | 55 |
5.3%
|
| 1 | YES | 307 |
29.5%
|
| 2 | NO | 680 |
65.3%
|
| Sysmiss | 5269 |