Year	Number
1996	40.2010040283203
1998	49
2000	58.7064666748047
2002	57.2139320373535
2003	59.2039794921875
2004	59.6153831481934
2005	59.3301429748535
2006	58.3732070922852
2007	58.3732070922852
2008	58.6538467407227
2009	60.6635055541992
2010	61.6113739013672
2011	61.9718322753906
2012	62.4413146972656
2013	63.3802833557129
2014	67.788459777832
2015	63.8095245361328
2016	70.9523773193359
2017	69.0476226806641
2018	69.0476226806641
2019	71.4285736083984
2020	65.2380981445313
2021	67.6190490722656
2022	69.3396224975586