Year	Number
2007	65.0485458374023
2008	71.8446578979492
2009	74.6411514282227
2010	66.9856491088867
2011	68.7203826904297
2012	73.459716796875
2013	71.5639801025391
2014	73.5576934814453
2015	71.9047622680664
2016	71.9047622680664
2017	73.3333358764648
2018	79.523811340332
2019	73.8095245361328
2020	80
2021	77.1428604125977
2022	78.7735824584961