Year	Number
1996	62
1998	61.6915435791016
2000	64.1791076660156
2002	58.7064666748047
2003	61.1940307617188
2004	58.6538467407227
2005	58.6538467407227
2006	54.3269233703613
2007	54.3269233703613
2008	57.6923065185547
2009	59.2417068481445
2010	58.7677726745605
2011	59.6244125366211
2012	61.5023460388184
2013	62.4413146972656
2014	56.6502456665039
2015	58.6206893920898
2016	55.6650238037109
2017	56.1576347351074
2018	51.4563102722168
2019	54.1062812805176
2020	56.038646697998
2021	56.038646697998
2022	56.038646697998