| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 21 |
0.5%
|
| 2 | NO | 4418 |
98.7%
|
| 8 | DK | 38 |
0.8%
|
| 9 | NO RESPONSE | 0 |
0%
|
| Sysmiss | 1036 |