| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 0 |
0%
|
| -7 | DON'T KNOW | 48 |
6.3%
|
| 1 | YES | 16 |
2.1%
|
| 2 | NO | 697 |
91.6%
|
| Sysmiss | 9916 |