Year	Number
2009	70.1421813964844
2010	72.9857788085938
2011	73.7089233398438
2012	74.1784057617188
2013	73.7089233398438
2014	71.9211807250977
2015	72.4137954711914
2016	71.9211807250977
2017	73.8916244506836
2018	76.6990280151367
2019	72.9468612670898
2020	72.4637680053711
2021	73.4299545288086
2022	75.3623199462891