condition mean min max ZT0-3 0.5990105 0.5473319999999999 0.6506890000000001 ZT4-7 3.71744 3.71744 3.71744 ZT8-11 19.402549999999998 19.402549999999998 19.402549999999998 ZT12-15 0 0 0 ZT16-19 11.7357 11.7357 11.7357 ZT20-23 3.3524599999999998 3.3524599999999998 3.3524599999999998