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201420152016201720182019
January65.477.383.290.5101.2106.5
February65.677.082.790.7102.0106.4
March66.177.383.091.1102.6106.5
April67.577.983.591.4103.6106.7
May69.378.883.792.8104.3107.0
June71.380.184.594.1105.3107.4
July73.580.786.496.4106.0108.4
August74.981.787.697.9106.6
September76.582.088.699.2107.6
October77.382.989.199.5107.8
November77.682.690.2100.3107.5
December77.082.589.9100.8107.1