condition mean min max ZT0-3 96.82617 96.82617 96.82617 ZT4-7 92.77066099999999 92.77066099999999 92.77066099999999 ZT8-11 100.7868725 100.7868725 100.7868725 ZT12-15 108.0361845 108.0361845 108.0361845 ZT16-19 124.0998045 124.0998045 124.0998045 ZT20-23 128.951086 128.951086 128.951086