condition mean min max ZT0-3 742.45 742.45 742.45 ZT4-7 486.4 486.4 486.4 ZT8-11 499.15 499.15 499.15 ZT12-15 537.85 537.85 537.85 ZT16-19 674.1 674.1 674.1 ZT20-23 718.6500000000001 718.6500000000001 718.6500000000001