| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 42 |
0.4%
|
| 1 | YES | 399 |
3.7%
|
| 2 | NO | 9963 |
93.3%
|
| 7 | NOT APPLICABLE | 271 |
2.5%
|
| Sysmiss | 2 |