Year	Number
1996	56.4516143798828
1998	54.5454559326172
2000	56.3829803466797
2002	54.4973526000977
2003	56.0846557617188
2004	53.694580078125
2005	51.2195129394531
2006	44.3902435302734
2007	48.0582542419434
2008	47.0873794555664
2009	59.3301429748535
2010	56.6666679382324
2011	48.3412322998047
2012	57.8199043273926
2013	58.7677726745605
2014	52.8846168518066
2015	51.4285697937012
2016	48.5714302062988
2017	44.761905670166
2018	50.476188659668
2019	49.0476188659668
2020	46.1904754638672
2021	44.2857131958008
2022	48.113208770752