condition mean min max ZT0-3 0.1345925 0.1345925 0.1345925 ZT4-7 0.7463869999999999 0.7463869999999999 0.7463869999999999 ZT8-11 0.5582935 0.5582935 0.5582935 ZT12-15 0.55607 0.55607 0.55607 ZT16-19 0.9744079999999999 0.9744079999999999 0.9744079999999999 ZT20-23 1.2106759999999999 1.2106759999999999 1.2106759999999999