condition mean min max ZT0-3 0.08686094075 0.07990431049999999 0.093817571 ZT4-7 0.6618004485 0.404022926 0.919577971 ZT8-11 1.133722062 1.0625173535 1.2049267705 ZT12-15 0.442545863 0.23066174900000003 0.6544299769999999 ZT16-19 0.33473490575 0.2575070165 0.411962795 ZT20-23 0.43180024775 0.39673535299999996 0.4668651425