| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 0 |
0%
|
| 1 | YES | 417 |
6.6%
|
| 2 | NO | 5259 |
83.3%
|
| 7 | NOT APPLICABLE | 634 |
10%
|
| Sysmiss | 1 |