Year	Number
1996	47.5409851074219
1998	45.3551902770996
2000	34.9726791381836
2002	33.5135116577148
2003	30.8108100891113
2004	22.3880596160889
2005	26.470588684082
2006	25.8536586761475
2007	21.8446598052979
2008	24.2718448638916
2009	35.8851661682129
2010	30.6220092773438
2011	31.2796211242676
2012	33.6492881774902
2013	41.7061614990234
2014	38.461540222168
2015	27.1428565979004
2016	27.619047164917
2017	30.9523811340332
2018	33.8095245361328
2019	36.1904754638672
2020	33.3333320617676
2021	36.1904754638672
2022	40.5660362243652