| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 54 |
45.8%
|
| 1 | yes | 59 |
50%
|
| 8 | don't know | 3 |
2.5%
|
| 9 | 2 |
1.7%
|
|
| 11 | .Z | 18636 |