Year	Number
1996	54.0983619689941
1998	55.7377052307129
2000	43.7158470153809
2002	37.8378372192383
2003	45.9459457397461
2004	46.766170501709
2005	42.6470603942871
2006	44.3902435302734
2007	44.1747589111328
2008	38.3495140075684
2009	32.5358848571777
2010	40.1913871765137
2011	42.1800956726074
2012	36.0189590454102
2013	33.1753540039063
2014	36.0576934814453
2015	38.5714302062988
2016	48.0952377319336
2017	44.761905670166
2018	41.4285697937012
2019	35.238094329834
2020	28.5714282989502
2021	22.8571434020996
2022	26.4150943756104