Year	Number
1996	55.1912574768066
1998	46.4480857849121
2000	50.8196716308594
2002	56.2162170410156
2003	56.2162170410156
2004	54.2288551330566
2005	55.8823547363281
2006	58.0487823486328
2007	52.4271850585938
2008	49.5145645141602
2009	52.1531105041504
2010	45.4545440673828
2011	45.971565246582
2012	46.9194297790527
2013	48.3412322998047
2014	49.519229888916
2015	49.0476188659668
2016	48.0952377319336
2017	48.5714302062988
2018	49.0476188659668
2019	48.5714302062988
2020	46.6666679382324
2021	46.1904754638672
2022	42.4528312683105