condition mean min max ZT0-3 701.65 701.65 701.65 ZT4-7 668.3 668.3 668.3 ZT8-11 649.55 649.55 649.55 ZT12-15 686.65 686.65 686.65 ZT16-19 731.6500000000001 731.6500000000001 731.6500000000001 ZT20-23 745.0 745.0 745.0