Risk grade | Risk level IV (average risk) | Risk level III (Greater risk) | Risk level II (Significant risk) | Risk level I (Extraordinary risk) |
Risk value R | 1.0 - 8.0 | 8.0 - 15.6 | 15.6 - 27.0 | 27.0 - 64.0 |
Scale | 20% | 30% | 30% | 20% |