| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 0 |
0%
|
| 1 | YES | 161 |
2.6%
|
| 2 | NO | 6086 |
96.5%
|
| 7 | NOT APPLICABLE | 62 |
1%
|
| Sysmiss | 2 |