Year	Number
2004	65.0246276855469
2005	53.1707305908203
2006	54.634147644043
2007	50.4854354858398
2008	51.4563102722168
2009	52.1531105041504
2010	49.0476188659668
2011	45.497631072998
2012	55.4502372741699
2013	53.554500579834
2014	76.4423065185547
2015	73.8095245361328
2016	74.7619018554688
2017	77.6190490722656
2018	74.2857131958008
2019	75.7142868041992
2020	80
2021	69.523811340332
2022	67.9245300292969