| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 0 |
0%
|
| -7 | DON'T KNOW | 2 |
0.5%
|
| 1 | YES | 34 |
8%
|
| 2 | NO | 387 |
91.5%
|
| Sysmiss | 7146 |