condition mean min max ZT0-3 662.8 662.8 662.8 ZT4-7 409.0 409.0 409.0 ZT8-11 455.15 455.15 455.15 ZT12-15 385.55 385.55 385.55 ZT16-19 459.9 459.9 459.9 ZT20-23 356.54999999999995 356.54999999999995 356.54999999999995