| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 7 |
0.6%
|
| 1 | Often | 58 |
4.8%
|
| 2 | Sometimes | 210 |
17.5%
|
| 3 | Rarely | 318 |
26.5%
|
| 4 | Never | 607 |
50.6%
|