| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 17221 |
22.4%
|
| 1 | yes, always | 49396 |
64.2%
|
| 2 | yes, sometime | 10292 |
13.4%
|
| 8 | don't know | 0 |
0%
|
| 9 | 11 |
0%
|