condition mean min max ZT0-3 599.95 599.95 599.95 ZT4-7 483.6 483.6 483.6 ZT8-11 465.3 465.3 465.3 ZT12-15 607.95 607.95 607.95 ZT16-19 720.0 720.0 720.0 ZT20-23 584.5999999999999 584.5999999999999 584.5999999999999