condition mean min max ZT0-3 0.13879333333333332 0.0 0.41638 ZT4-7 0.0 0.0 0.0 ZT8-11 0.3815585 0.3815585 0.3815585 ZT12-15 0.33874925 0.2116725 0.465826 ZT16-19 0.184969 0.184969 0.184969 ZT20-23 0.0 0.0 0.0