| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 43 |
2.6%
|
| 1 | No confidence at all | 83 |
5.1%
|
| 2 | Very low confidence | 81 |
4.9%
|
| 3 | Low confidence | 277 |
16.9%
|
| 4 | High confidence | 657 |
40.1%
|
| 5 | Very high confidence | 199 |
12.1%
|
| 6 | Complete confidence | 300 |
18.3%
|