condition mean min max ZT0-3 5104.6 5104.6 5104.6 ZT4-7 5057.2 5057.2 5057.2 ZT8-11 6035.65 6035.65 6035.65 ZT12-15 6727.3 6727.3 6727.3 ZT16-19 7054.4 7054.4 7054.4 ZT20-23 6126.200000000001 6126.200000000001 6126.200000000001