Year	Number
1996	45.6989250183105
1998	44.3850250244141
2000	37.7659568786621
2002	37.037036895752
2003	33.862434387207
2004	28.0788173675537
2005	30.7317066192627
2006	20
2007	23.7864074707031
2008	23.7864074707031
2009	23.4449768066406
2010	22.8571434020996
2011	26.5402851104736
2012	34.1232223510742
2013	44.0758285522461
2014	41.3461532592773
2015	38.0952377319336
2016	35.7142868041992
2017	38.5714302062988
2018	32.8571434020996
2019	30.9523811340332
2020	33.3333320617676
2021	33.8095245361328
2022	33.4905662536621