| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 4 |
0.4%
|
| -1 | Don't know | 3 |
0.3%
|
| 1 | Often | 210 |
21%
|
| 2 | Sometimes | 328 |
32.8%
|
| 3 | Rarely | 171 |
17.1%
|
| 4 | Never | 284 |
28.4%
|