| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 0 |
0%
|
| -7 | DON'T KNOW | 9 |
0.2%
|
| 1 | YES | 347 |
7.7%
|
| 2 | NO | 4133 |
92.1%
|
| Sysmiss | 8774 |