condition mean min max ZT0-3 0.05888335375 0.0 0.1177667075 ZT4-7 0.64564548 0.4566039035 0.8346870565000001 ZT8-11 0.172281451 0.0 0.344562902 ZT12-15 0.07670298175 0.041807829 0.11159813449999999 ZT16-19 0.057692172750000006 0.0 0.11538434550000001 ZT20-23 0.32402130125 0.12641643 0.5216261725