condition mean min max ZT0-3 0.326062375 0.29106425 0.3610605 ZT4-7 0.4448375 0.4448375 0.4448375 ZT8-11 1.16892 1.16892 1.16892 ZT12-15 0 0 0 ZT16-19 1.45805 1.45805 1.45805 ZT20-23 0.798003 0.798003 0.798003