Year	Number
1996	62.3115577697754
1998	61.5
2000	80.5970153808594
2002	80.0995025634766
2003	80.5970153808594
2004	63.461540222168
2005	65.0717697143555
2006	66.5071792602539
2007	67.9425811767578
2008	64.9038467407227
2009	63.5071105957031
2010	61.6113739013672
2011	61.9718322753906
2012	61.9718322753906
2013	62.9107971191406
2014	64.4230804443359
2015	60
2016	64.7619018554688
2017	69.523811340332
2018	65.7142868041992
2019	59.0476188659668
2020	60.9523811340332
2021	65.7142868041992
2022	58.9622650146484