| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 2 |
0.2%
|
| 1 | Often | 72 |
5.9%
|
| 2 | Sometimes | 247 |
20.1%
|
| 3 | Rarely | 342 |
27.8%
|
| 4 | Never | 567 |
46.1%
|