Yield 72.4 75.3 72.7 74.2 75.6 75 73.3 73.1 74.4 77.5 75.8 74 73.2 74.8 76.2 72.7 68.2 79.1 73.8 75.5 74.7 75.7 72.9 72.1 77.7 76.6 73.2 75.1 75.5 71.7