| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 1369 |
7.4%
|
| 1 | yes | 16374 |
89%
|
| 8 | dk, not sure, depends | 649 |
3.5%
|
| 9 | 1 |
0%
|
|
| 11 | .Z | 361 |