| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 234 |
19.5%
|
| 1 | Only sometimes | 439 |
36.6%
|
| 2 | Often | 187 |
15.6%
|
| 3 | Always | 66 |
5.5%
|
| 9 | Don't know | 274 |
22.8%
|
| 998 | Refused | 0 |
0%
|