| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 0 |
0%
|
| -7 | DON'T KNOW | 140 |
2.2%
|
| 1 | YES | 6017 |
95.4%
|
| 2 | NO | 152 |
2.4%
|
| Sysmiss | 2 |