| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 4517 |
40.6%
|
| 2 | NO | 2819 |
25.3%
|
| 8 | DK | 2569 |
23.1%
|
| 9 | NO RESPONSE | 21 |
0.2%
|
| Sysmiss | 1209 |