Year	Number
1996	66.4893646240234
1998	70.2127685546875
2000	73.5449752807617
2002	75.661376953125
2003	67.8391952514648
2004	64.5631103515625
2005	54.8543701171875
2006	53.6231880187988
2007	63.7681159973145
2008	58.6538467407227
2009	61.6113739013672
2010	57.8199043273926
2011	45.497631072998
2012	44.0758285522461
2013	45.497631072998
2014	39.0476188659668
2015	41.4285697937012
2016	41.4285697937012
2017	51.4285697937012
2018	46.2264137268066
2019	52.8301887512207
2020	57.5471687316895
2021	49.0566024780273
2022	51.886791229248