| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
0.1%
|
| 1 | No confidence at all | 431 |
43.7%
|
| 2 | Very low confidence | 251 |
25.4%
|
| 3 | Low confidence | 271 |
27.5%
|
| 4 | High confidence | 28 |
2.8%
|
| 5 | Very high confidence | 1 |
0.1%
|
| 6 | Complete confidence | 4 |
0.4%
|