Year	Number
2004	60.1990051269531
2005	52.9411773681641
2006	52.1951217651367
2007	54.8543701171875
2008	57.2815551757813
2009	59.3301429748535
2010	61.7224884033203
2011	60.6635055541992
2012	59.2417068481445
2013	58.7677726745605
2014	71.6346130371094
2015	61.9047622680664
2016	63.8095245361328
2017	64.7619018554688
2018	75.7142868041992
2019	76.1904754638672
2020	80
2021	80.476188659668
2022	67.9245300292969