| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 1 |
0%
|
| 1 | YES | 79 |
1.8%
|
| 2 | NO | 4098 |
93%
|
| 7 | NOT APPLICABLE | 227 |
5.2%
|
| Sysmiss | 4751 |