| Value | Category | Cases | |
|---|---|---|---|
| 0 | No impact | 449 |
12.3%
|
| 1 | Slight impact | 1992 |
54.5%
|
| 2 | Moderate impact | 755 |
20.7%
|
| 3 | Strong impact | 396 |
10.8%
|
| 4 | Worst ever | 61 |
1.7%
|