condition mean min max ZT0-3 0.6956852499999999 0.39287550000000004 0.9984949999999999 ZT4-7 0.356549 0.356549 0.356549 ZT8-11 0.2868465 0.2868465 0.2868465 ZT12-15 0 0 0 ZT16-19 0.448393 0.448393 0.448393 ZT20-23 0.729965 0.729965 0.729965