condition mean min max ZT0-3 0.02944892025 0.021637128999999998 0.0372607115 ZT4-7 0.0374948415 0.023985066 0.051004617 ZT8-11 0.5572136360000001 0.29319035200000004 0.82123692 ZT12-15 1.6588083770000002 1.4101838385 1.9074329155 ZT16-19 1.24673061125 1.0539088460000001 1.4395523765 ZT20-23 1.5783289905000002 1.5044751725 1.6521828085