condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.0 0.0 0.0 ZT8-11 0.5214 0.5214 0.5214 ZT12-15 0 0 0 ZT16-19 0.519645 0.519645 0.519645 ZT20-23 1.04684 1.04684 1.04684