condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.0 0.0 0.0 ZT8-11 0.03736966666666667 0.03736966666666667 0.03736966666666667 ZT12-15 0.012280600000000001 0.012280600000000001 0.012280600000000001 ZT16-19 0.0 0.0 0.0 ZT20-23 0.013576699999999999 0.013576699999999999 0.013576699999999999