| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 228 |
28.9%
|
| 1 | yes | 551 |
69.8%
|
| 8 | dk | 7 |
0.9%
|
| 9 | 3 |
0.4%
|
|
| 11 | .Z | 14878 |