condition mean min max ZT0-3 0.3219790825 0.093450379 0.550507786 ZT4-7 0.36536519475 0.2831000775 0.44763031200000003 ZT8-11 0.9242753325 0.513631127 1.334919538 ZT12-15 2.453055516 2.0119417095 2.8941693225 ZT16-19 1.70823700825 1.1957735665000002 2.22070045 ZT20-23 0.44048405475 0.3241931025 0.556775007