condition mean min max ZT0-3 0.4923115 0.4768675 0.5077555 ZT4-7 0.99712 0.99712 0.99712 ZT8-11 0.43782750000000004 0.43782750000000004 0.43782750000000004 ZT12-15 0 0 0 ZT16-19 0.2736145 0.2736145 0.2736145 ZT20-23 1.25709 1.25709 1.25709