condition mean min max ZT0-3 794.65 794.65 794.65 ZT4-7 708.3 708.3 708.3 ZT8-11 710.6500000000001 710.6500000000001 710.6500000000001 ZT12-15 588.95 588.95 588.95 ZT16-19 782.5 782.5 782.5 ZT20-23 692.6500000000001 692.6500000000001 692.6500000000001