| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 1591 |
9.9%
|
| 2 | NO | 1075 |
6.7%
|
| 8 | DK | 967 |
6%
|
| 9 | NO RESPONSE | 57 |
0.4%
|
| Sysmiss | 12320 |
77%
|