746 , b 74« , o 750,2 749.1 749.9 750.7 753.0 749.2 752.2 742.2 746.5 752.9 753.9 752.9 752.7 751.5 753.8 754.4 752 , i : 750 , o ' 756.1 757.0 752,7 744.5 748 ,o-