Year	Number
1996	54.7872352600098
1998	45.2127647399902
2000	58.201057434082
2002	51.8518524169922
2003	49.2462310791016
2004	55.8252410888672
2005	55.3398056030273
2006	59.4202880859375
2007	67.1497573852539
2008	59.6153831481934
2009	53.0805702209473
2010	57.8199043273926
2011	60.6635055541992
2012	57.8199043273926
2013	58.2938385009766
2014	52.3809509277344
2015	51.4285697937012
2016	52.3809509277344
2017	48.5714302062988
2018	52.3584899902344
2019	50.9433975219727
2020	51.4150924682617
2021	33.0188674926758
2022	32.5471687316895