| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 1 |
0%
|
| 1 | YES | 640 |
4.8%
|
| 2 | NO | 12520 |
94.4%
|
| 7 | NOT APPLICABLE | 97 |
0.7%
|
| Sysmiss | 5 |