| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 0 |
0%
|
| -7 | DON'T KNOW | 129 |
5.4%
|
| 1 | YES | 373 |
15.5%
|
| 2 | NO | 1897 |
79.1%
|
| Sysmiss | 5170 |