condition mean min max ZT0-3 808.45 808.45 808.45 ZT4-7 355.8 355.8 355.8 ZT8-11 433.25 433.25 433.25 ZT12-15 678.6500000000001 678.6500000000001 678.6500000000001 ZT16-19 796.25 796.25 796.25 ZT20-23 801.5 801.5 801.5