| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 451 |
37.6%
|
| 1 | Only sometimes | 295 |
24.6%
|
| 2 | Often | 126 |
10.5%
|
| 3 | Always | 101 |
8.4%
|
| 9 | Don't know | 227 |
18.9%
|
| 998 | Refused | 0 |
0%
|