condition mean min max ZT0-3 973.1 973.1 973.1 ZT4-7 1160.8 1160.8 1160.8 ZT8-11 624.4 624.4 624.4 ZT12-15 590.65 590.65 590.65 ZT16-19 596.85 596.85 596.85 ZT20-23 688.8499999999999 688.8499999999999 688.8499999999999