| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 6845 |
89.2%
|
| 1 | yes | 787 |
10.3%
|
| 8 | don't know | 34 |
0.4%
|
| 9 | 8 |
0.1%
|
|
| 11 | .Z | 29837 |