condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.0068083250000000005 0.0068083250000000005 0.0068083250000000005 ZT8-11 0.0 0.0 0.0 ZT12-15 0.013936424999999999 0.013936424999999999 0.013936424999999999 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0