condition mean min max ZT0-3 0.1152033865 0.08786007500000001 0.142546698 ZT4-7 0.091477763 0.065356681 0.11759884500000001 ZT8-11 0.2498397815 0.14610180099999998 0.353577762 ZT12-15 0.36484214325 0.3320896915 0.397594595 ZT16-19 0.26322041525 0.2193837215 0.307057109 ZT20-23 0.329099028 0.3127525165 0.3454455395