| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 111 |
94.1%
|
| 1 | yes | 0 |
0%
|
| 8 | don't know | 5 |
4.2%
|
| 9 | 2 |
1.7%
|
|
| 11 | .Z | 18636 |