condition mean min max ZT0-3 95.7751 95.7751 95.7751 ZT4-7 98.79860000000001 98.79860000000001 98.79860000000001 ZT8-11 93.77222499999999 93.77222499999999 93.77222499999999 ZT12-15 94.376025 94.376025 94.376025 ZT16-19 83.72291666666666 83.72291666666666 83.72291666666666 ZT20-23 81.806575 81.806575 81.806575