Year	Number
1996	60.7526893615723
1998	51.8716583251953
2000	45.2127647399902
2002	40.2116394042969
2003	30.1587295532227
2004	19.2118225097656
2005	18.0487804412842
2006	19.0243911743164
2007	21.8446598052979
2008	19.9029121398926
2009	21.0526313781738
2010	19.0476188659668
2011	23.222749710083
2012	31.2796211242676
2013	36.4928894042969
2014	51.9230766296387
2015	50
2016	44.761905670166
2017	43.3333320617676
2018	43.8095245361328
2019	40.9523811340332
2020	43.8095245361328
2021	49.523811340332
2022	50.9433975219727