Year	Number
1996	44.0860214233398
1998	47.5935821533203
2000	45.2127647399902
2002	28.0423278808594
2003	61.375659942627
2004	73.8916244506836
2005	58.0487823486328
2006	55.1219520568848
2007	56.3106803894043
2008	57.2815551757813
2009	52.6315803527832
2010	61.4285697937012
2011	57.3459701538086
2012	58.7677726745605
2013	61.6113739013672
2014	67.3076934814453
2015	60.9523811340332
2016	64.2857131958008
2017	60.9523811340332
2018	61.9047622680664
2019	62.3809509277344
2020	63.8095245361328
2021	63.8095245361328
2022	66.0377349853516