condition mean min max ZT0-3 345.8315 345.8315 345.8315 ZT4-7 283.2715 283.2715 283.2715 ZT8-11 256.349 256.349 256.349 ZT12-15 203.3 203.3 203.3 ZT16-19 351.15700000000004 351.15700000000004 351.15700000000004 ZT20-23 360.31100000000004 360.31100000000004 360.31100000000004