Year	Number
1996	36.559139251709
1998	40.1069526672363
2000	36.7021293640137
2002	33.862434387207
2003	35.9788360595703
2004	29.0640392303467
2005	52.1951217651367
2006	47.8048782348633
2007	51.9417457580566
2008	54.3689308166504
2009	54.0669860839844
2010	53.3333320617676
2011	54.028434753418
2012	55.4502372741699
2013	54.028434753418
2014	57.211540222168
2015	35.7142868041992
2016	35.7142868041992
2017	42.3809509277344
2018	32.8571434020996
2019	27.619047164917
2020	32.3809509277344
2021	36.6666679382324
2022	35.8490562438965