| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 0 |
0%
|
| -7 | DON'T KNOW | 10 |
1%
|
| 1 | YES | 171 |
17.6%
|
| 2 | NO | 789 |
81.3%
|
| Sysmiss | 6599 |