Year	Number
1996	61.1702117919922
1998	53.7234039306641
2000	44.4444427490234
2002	48.1481475830078
2003	43.7185935974121
2004	41.262134552002
2005	48.0582542419434
2006	39.1304359436035
2007	53.1400947570801
2008	63.9423065185547
2009	62.0853080749512
2010	55.4502372741699
2011	54.9763031005859
2012	60.1895751953125
2013	55.9241714477539
2014	49.0476188659668
2015	43.3333320617676
2016	38.5714302062988
2017	40
2018	45.7547187805176
2019	40.5660362243652
2020	41.0377349853516
2021	34.9056587219238
2022	42.4528312683105