condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.06655799999999999 0.06655799999999999 0.06655799999999999 ZT8-11 0.16648766666666667 0.16648766666666667 0.16648766666666667 ZT12-15 0.0 0.0 0.0 ZT16-19 0.038135999999999996 0.038135999999999996 0.038135999999999996 ZT20-23 0.0 0.0 0.0