| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 35 |
2.9%
|
| 1 | Sometimes | 108 |
9%
|
| 2 | Often | 166 |
13.8%
|
| 3 | Always | 827 |
68.9%
|
| 9 | Don't know | 64 |
5.3%
|
| 98 | Refused | 0 |
0%
|