| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 190 |
25.1%
|
| 1 | Yes | 488 |
64.5%
|
| 2 | 0 |
0%
|
|
| 8 | DK | 79 |
10.4%
|
| 9 | 11 | ||
| Sysmiss | 2530 |