condition mean min max ZT0-3 2102.55 2102.55 2102.55 ZT4-7 300.1 300.1 300.1 ZT8-11 1973.35 1973.35 1973.35 ZT12-15 7698.700000000001 7698.700000000001 7698.700000000001 ZT16-19 8487.45 8487.45 8487.45 ZT20-23 4387.15 4387.15 4387.15