| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 45 |
0.5%
|
| 1 | Not at all | 5176 |
55.2%
|
| 2 | Slightly | 1805 |
19.3%
|
| 3 | Moderately | 1555 |
16.6%
|
| 4 | Very much | 593 |
6.3%
|
| 5 | Extremely | 202 |
2.2%
|