| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 1 |
0%
|
| -7 | DON'T KNOW | 21 |
0.4%
|
| 1 | YES | 717 |
15.2%
|
| 2 | NO | 3990 |
84.4%
|
| Sysmiss | 5948 |