condition mean min max ZT0-3 927.15 927.15 927.15 ZT4-7 716.1 716.1 716.1 ZT8-11 688.65 688.65 688.65 ZT12-15 717.25 717.25 717.25 ZT16-19 876.35 876.35 876.35 ZT20-23 898.4000000000001 898.4000000000001 898.4000000000001