Year	Number
1996	62.2950820922852
1998	60.1092910766602
2000	60.6557388305664
2002	61.0810813903809
2003	54.5945930480957
2004	54.2288551330566
2005	55.8823547363281
2006	53.1707305908203
2007	50.970874786377
2008	57.2815551757813
2009	48.3253593444824
2010	42.5837326049805
2011	47.8672981262207
2012	48.3412322998047
2013	48.8151664733887
2014	48.5576934814453
2015	46.1904754638672
2016	44.2857131958008
2017	49.0476188659668
2018	50.476188659668
2019	59.523811340332
2020	60.9523811340332
2021	64.2857131958008
2022	62.7358474731445