Year	Number
1996	47.8723411560059
1998	30.8510646820068
2000	42.8571434020996
2002	52.3809509277344
2003	51.2562828063965
2004	63.1067962646484
2005	55.3398056030273
2006	50.7246360778809
2007	47.8260879516602
2008	52.8846168518066
2009	51.1848335266113
2010	45.0236968994141
2011	49.7630348205566
2012	54.9763031005859
2013	58.2938385009766
2014	50.476188659668
2015	54.2857131958008
2016	49.0476188659668
2017	58.0952377319336
2018	54.7169799804688
2019	59.4339637756348
2020	54.7169799804688
2021	52.3584899902344
2022	51.886791229248