| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 0 |
0%
|
| 1 | YES | 188 |
4.9%
|
| 2 | NO | 3598 |
94.7%
|
| 7 | NOT APPLICABLE | 14 |
0.4%
|
| Sysmiss | 4211 |