| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 17 |
0.7%
|
| 0 | Never | 720 |
30%
|
| 1 | Sometimes | 714 |
29.8%
|
| 2 | Often | 362 |
15.1%
|
| 3 | Always | 345 |
14.4%
|
| 9 | Don't know | 242 |
10.1%
|
| 98 | Refused | 0 |
0%
|