| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 35 |
2.1%
|
| 1 | No confidence at all | 585 |
35.7%
|
| 2 | Very low confidence | 366 |
22.3%
|
| 3 | Low confidence | 600 |
36.6%
|
| 4 | High confidence | 34 |
2.1%
|
| 5 | Very high confidence | 6 |
0.4%
|
| 6 | Complete confidence | 14 |
0.9%
|