| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 0 |
0%
|
| -7 | DON'T KNOW | 1 |
0.7%
|
| 1 | YES | 8 |
5.3%
|
| 2 | NO | 142 |
94%
|
| Sysmiss | 6160 |