| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 4209 |
98.6%
|
| 2 | NO | 31 |
0.7%
|
| 8 | DK | 26 |
0.6%
|
| 9 | NO RESPONSE | 1 |
0%
|
| Sysmiss | 3727 |