| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 1881 |
10.3%
|
| 2 | NO | 4604 |
25.1%
|
| 8 | DK | 16 |
0.1%
|
| 9 | NO RESPONSE | 2 |
0%
|
| Sysmiss | 11809 |
64.5%
|