condition mean min max ZT0-3 0.010543416666666666 0.0 0.0161906 ZT4-7 0.0152814 0.0152814 0.0152814 ZT8-11 0.01547305 0.01547305 0.01547305 ZT12-15 0.11539525 0.0309671 0.1998234 ZT16-19 0.0150018 0.0150018 0.0150018 ZT20-23 0.03262645 0.03262645 0.03262645