| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 0 |
0%
|
| -7 | DON'T KNOW | 1717 |
27.2%
|
| 1 | YES | 4140 |
65.6%
|
| 2 | NO | 452 |
7.2%
|
| Sysmiss | 2 |