condition mean min max ZT0-3 164.0 164.0 164.0 ZT4-7 101.7 101.7 101.7 ZT8-11 103.15 103.15 103.15 ZT12-15 85.2 85.2 85.2 ZT16-19 114.55000000000001 114.55000000000001 114.55000000000001 ZT20-23 179.1 179.1 179.1