| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 27 |
0.3%
|
| 1 | Not at all | 4690 |
50%
|
| 2 | Slightly | 1419 |
15.1%
|
| 3 | Moderately | 1937 |
20.7%
|
| 4 | Very much | 990 |
10.6%
|
| 5 | Extremely | 313 |
3.3%
|