| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 0 |
0%
|
| 1 | YES | 339 |
5.4%
|
| 2 | NO | 5740 |
91%
|
| 7 | NOT APPLICABLE | 230 |
3.6%
|
| Sysmiss | 2 |