| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 1 |
0.1%
|
| 1 | Often | 58 |
4.1%
|
| 2 | Sometimes | 420 |
30%
|
| 3 | Rarely | 514 |
36.7%
|
| 4 | Never | 407 |
29.1%
|