condition mean min max ZT0-3 0.015052693499999999 0.0 0.030105386999999997 ZT4-7 0.008723557666666666 0.0 0.017447115333333332 ZT8-11 0.0 0.0 0.0 ZT12-15 0.0 0.0 0.0 ZT16-19 0.022428866833333335 0.0 0.04485773366666667 ZT20-23 0.0 0.0 0.0