condition mean min max ZT0-3 0.04454441666666666 0.04454441666666666 0.04454441666666666 ZT4-7 0.0 0.0 0.0 ZT8-11 0.009908499999999999 0.009908499999999999 0.009908499999999999 ZT12-15 0.0 0.0 0.0 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0