condition mean min max ZT0-3 0.1360979875 0.055136230999999994 0.217059744 ZT4-7 0.27243181575 0.1385989305 0.406264701 ZT8-11 0.38646443175 0.3642873505 0.40864151299999996 ZT12-15 0.6531766692500001 0.510621619 0.7957317195 ZT16-19 1.26725689925 1.1841202035 1.3503935950000001 ZT20-23 1.6205245052500001 1.4663398065 1.774709204