condition mean min max ZT0-3 0.02183135 0.0 0.0436627 ZT4-7 0.50095 0.50095 0.50095 ZT8-11 0.0 0.0 0.0 ZT12-15 0 0 0 ZT16-19 0.0877925 0.0877925 0.0877925 ZT20-23 0.0 0.0 0.0