condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.06227651775 0.0 0.1245530355 ZT8-11 0.0 0.0 0.0 ZT12-15 0.144448765 0.0 0.28889753 ZT16-19 0.0 0.0 0.0 ZT20-23 0.3610362295 0.2795698325 0.4425026265