| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 2 |
0.1%
|
| 0 | Never | 477 |
20%
|
| 1 | Sometimes | 742 |
31.1%
|
| 2 | Often | 850 |
35.6%
|
| 3 | Always | 145 |
6.1%
|
| 9 | Don't know | 170 |
7.1%
|
| 98 | Refused | 0 |
0%
|