When German misses a level 2 change, the coverage drops to 50%, so 1% of 10%= 0.1% overall
Nígbà tí Jamaní pàdánù ìpele ìyípadà 2, alásopọ̀ wálẹ̀ sí 50%, nítorí náà 1% ti 10%= 0.1% lápapọ̀