condition mean min max ZT0-3 0.01131527125 0.0 0.0226305425 ZT4-7 0.058803746999999996 0.0496164605 0.06799103349999999 ZT8-11 0.03683101675 0.0 0.0736620335 ZT12-15 0.17117581999999998 0.154316087 0.188035553 ZT16-19 0.042842078 0.04133868 0.044345475999999995 ZT20-23 0.0116954985 0.0 0.023390997