| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 0 |
0%
|
| -7 | DON'T KNOW | 195 |
5.4%
|
| 1 | YES | 1009 |
28%
|
| 2 | NO | 2395 |
66.5%
|
| Sysmiss | 3970 |