| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 0 |
0%
|
| -7 | DON'T KNOW | 15 |
1.1%
|
| 1 | YES | 473 |
33.8%
|
| 2 | NO | 913 |
65.2%
|
| Sysmiss | 4910 |