Year	Number
1996	64.6739120483398
1998	68.4782638549805
2000	65.2173919677734
2002	61.6216201782227
2003	56.2162170410156
2004	56.7164192199707
2005	50.4901962280273
2006	55.3921585083008
2007	57.2815551757813
2008	57.2815551757813
2009	58.3732070922852
2010	56.4593315124512
2011	55.9241714477539
2012	57.3459701538086
2013	58.2938385009766
2014	63.461540222168
2015	60.9523811340332
2016	60
2017	60.9523811340332
2018	58.0952377319336
2019	60.9523811340332
2020	61.4285697937012
2021	59.523811340332
2022	60.3773574829102