condition mean min max ZT0-3 95.69999999999999 95.69999999999999 95.69999999999999 ZT4-7 67.5 67.5 67.5 ZT8-11 86.65 86.65 86.65 ZT12-15 101.75 101.75 101.75 ZT16-19 101.0 101.0 101.0 ZT20-23 108.0 108.0 108.0