condition mean min max ZT0-3 5095.25 5095.25 5095.25 ZT4-7 5595.0 5595.0 5595.0 ZT8-11 4451.75 4451.75 4451.75 ZT12-15 4796.1 4796.1 4796.1 ZT16-19 5281.75 5281.75 5281.75 ZT20-23 4536.7 4536.7 4536.7