condition mean min max ZT0-3 1020.45 1020.45 1020.45 ZT4-7 726.9 726.9 726.9 ZT8-11 688.8 688.8 688.8 ZT12-15 635.45 635.45 635.45 ZT16-19 812.45 812.45 812.45 ZT20-23 918.1500000000001 918.1500000000001 918.1500000000001