| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 1 |
0.1%
|
| 1 | Often | 469 |
26.9%
|
| 2 | Sometimes | 434 |
24.9%
|
| 3 | Rarely | 318 |
18.3%
|
| 4 | Never | 519 |
29.8%
|