| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 960 |
40%
|
| 1 | Sometimes | 651 |
27.1%
|
| 2 | Often | 272 |
11.3%
|
| 3 | Always | 368 |
15.3%
|
| 9 | Don't know | 149 |
6.2%
|
| 98 | Refused | 0 |
0%
|