Year	Number
1998	26
2000	61.1940307617188
2002	59.2039794921875
2003	47.2636833190918
2004	45.1923065185547
2005	47.8468894958496
2006	49.7607650756836
2007	48.8038291931152
2008	52.8846168518066
2009	54.502368927002
2010	52.6066360473633
2011	53.051643371582
2012	53.9906120300293
2013	53.9906120300293
2014	58.1730766296387
2015	56.1904754638672
2016	50
2017	51.4285697937012
2018	54.2857131958008
2019	52.8571434020996
2020	52.8571434020996
2021	51.4285697937012
2022	48.5849075317383