condition mean min max ZT0-3 0.9782975 0.87608 1.0805150000000001 ZT4-7 0.665146 0.665146 0.665146 ZT8-11 0.3277965 0.3277965 0.3277965 ZT12-15 0 0 0 ZT16-19 1.076878 1.076878 1.076878 ZT20-23 0.9741455 0.9741455 0.9741455