Year	Number
2004	44.3349761962891
2005	71.7073135375977
2006	70.7317047119141
2007	71.8446578979492
2008	73.3009719848633
2009	71.7703323364258
2010	71.9047622680664
2011	71.0900497436523
2012	69.1943130493164
2013	67.2985763549805
2014	60.0961532592773
2015	62.8571434020996
2016	62.8571434020996
2017	62.8571434020996
2018	65.2380981445313
2019	64.7619018554688
2020	64.2857131958008
2021	63.8095245361328
2022	63.2075462341309