| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 0 |
0%
|
| -7 | DON'T KNOW | 23 |
2%
|
| 1 | YES | 108 |
9.2%
|
| 2 | NO | 1040 |
88.8%
|
| Sysmiss | 9506 |