condition mean min max ZT0-3 0.13730675 0.092399 0.1822145 ZT4-7 0.9306734999999999 0.9306734999999999 0.9306734999999999 ZT8-11 1.1941815 1.1941815 1.1941815 ZT12-15 0 0 0 ZT16-19 0.45328650000000004 0.45328650000000004 0.45328650000000004 ZT20-23 0.7290110000000001 0.7290110000000001 0.7290110000000001