condition mean min max ZT0-3 94.57093 94.57093 94.57093 ZT4-7 164.631372 164.631372 164.631372 ZT8-11 124.5702895 124.5702895 124.5702895 ZT12-15 91.1967295 91.1967295 91.1967295 ZT16-19 48.526687499999994 48.526687499999994 48.526687499999994 ZT20-23 29.479130500000004 29.479130500000004 29.479130500000004