condition mean min max ZT0-3 5447.3 5447.3 5447.3 ZT4-7 5281.7 5281.7 5281.7 ZT8-11 4998.950000000001 4998.950000000001 4998.950000000001 ZT12-15 4752.4 4752.4 4752.4 ZT16-19 5030.35 5030.35 5030.35 ZT20-23 5801.25 5801.25 5801.25