| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 5 |
0.1%
|
| -7 | DON'T KNOW | 59 |
0.7%
|
| 1 | YES | 79 |
1%
|
| 2 | NO | 7859 |
98.2%
|
| Sysmiss | 9 |