condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.0097531 0.0097531 0.0097531 ZT8-11 0.0754547 0.0754547 0.0754547 ZT12-15 0.055565 0.055565 0.055565 ZT16-19 0.0145102 0.0145102 0.0145102 ZT20-23 0.011140601385 0.011140601385 0.011140601385