condition mean min max ZT0-3 106.75 106.75 106.75 ZT4-7 110.0 110.0 110.0 ZT8-11 208.3 208.3 208.3 ZT12-15 249.35000000000002 249.35000000000002 249.35000000000002 ZT16-19 202.65 202.65 202.65 ZT20-23 140.45 140.45 140.45