| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 7 |
0.6%
|
| -1 | Don't know | 26 |
2.2%
|
| 2 | Quite frequently | 113 |
9.4%
|
| 3 | Not frequently | 376 |
31.3%
|
| 4 | Not at all frequently | 678 |
56.5%
|