| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 3432 |
57.2%
|
| 1 | yes | 2454 |
40.9%
|
| 8 | dk | 37 |
0.6%
|
| 9 | 77 |
1.3%
|
|
| 11 | .Z | 2232 |