Year	Number
1996	53.8043479919434
1998	55.9782600402832
2000	42.9347839355469
2002	49.1891899108887
2003	49.7297286987305
2004	50.2487564086914
2005	47.0588226318359
2006	47.5490188598633
2007	48.0582542419434
2008	47.0873794555664
2009	46.8899536132813
2010	46.8899536132813
2011	47.3933639526367
2012	43.6018943786621
2013	44.0758285522461
2014	45.1923065185547
2015	43.8095245361328
2016	43.3333320617676
2017	41.9047622680664
2018	41.4285697937012
2019	36.6666679382324
2020	36.1904754638672
2021	34.761905670166
2022	33.0188674926758