| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 719 |
77.6%
|
| 1 | yes | 193 |
20.8%
|
| 8 | dk | 13 |
1.4%
|
| 9 | 1 |
0.1%
|
|
| 11 | .Z | 17828 |