condition mean min max ZT0-3 2075.85 2075.85 2075.85 ZT4-7 1777.3 1777.3 1777.3 ZT8-11 1673.25 1673.25 1673.25 ZT12-15 1592.1 1592.1 1592.1 ZT16-19 2078.75 2078.75 2078.75 ZT20-23 2252.4 2252.4 2252.4