| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 9 |
0.7%
|
| -1 | Don't know | 178 |
13.2%
|
| 2 | Quite frequently | 20 |
1.5%
|
| 3 | Not frequently | 425 |
31.4%
|
| 4 | Not at all frequently | 721 |
53.3%
|