Year	Number
1996	38.2513656616211
1998	50.2732238769531
2000	59.5628433227539
2002	56.7567558288574
2003	60
2004	57.7114410400391
2005	51.470588684082
2006	47.8048782348633
2007	50.970874786377
2008	49.5145645141602
2009	54.5454559326172
2010	54.0669860839844
2011	55.4502372741699
2012	59.2417068481445
2013	56.3981056213379
2014	52.4038467407227
2015	48.5714302062988
2016	46.6666679382324
2017	44.761905670166
2018	45.7142868041992
2019	38.5714302062988
2020	42.8571434020996
2021	39.523811340332
2022	33.4905662536621