Year	Number
1996	38.0434799194336
1998	42.9347839355469
2000	54.347827911377
2002	36.2162170410156
2003	48.1081085205078
2004	40.7960205078125
2005	50
2006	51.470588684082
2007	51.4563102722168
2008	51.9417457580566
2009	54.0669860839844
2010	54.0669860839844
2011	54.9763031005859
2012	54.9763031005859
2013	54.028434753418
2014	50
2015	48.5714302062988
2016	42.3809509277344
2017	44.761905670166
2018	46.6666679382324
2019	45.7142868041992
2020	46.1904754638672
2021	45.7142868041992
2022	44.8113212585449