Year	Number
1996	46.1956520080566
1998	46.1956520080566
2000	46.1956520080566
2002	45.9459457397461
2003	38.3783798217773
2004	35.8208961486816
2005	31.3725490570068
2006	27.9411773681641
2007	33.4951438903809
2008	36.8932037353516
2009	33.4928245544434
2010	33.4928245544434
2011	30.3317527770996
2012	39.8104248046875
2013	40.2843589782715
2014	35.5769233703613
2015	32.8571434020996
2016	33.8095245361328
2017	31.9047622680664
2018	31.4285717010498
2019	30
2020	30
2021	26.6666660308838
2022	25