| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 21 |
3.5%
|
| -7 | Does not apply | 73 |
12.2%
|
| 0 | No impact | 403 |
67.2%
|
| 1 | Minor impact | 56 |
9.3%
|
| 2 | Moderate impact | 34 |
5.7%
|
| 3 | Moderate impact | 12 |
2%
|
| 4 | Major impact | 1 |
0.2%
|
| 5 | Very major impact | 0 |
0%
|