Year	Number
1996	64.6739120483398
1998	61.9565200805664
2000	58.152172088623
2002	50.8108100891113
2003	48.1081085205078
2004	45.7711448669434
2005	50.4901962280273
2006	51.9607849121094
2007	53.3980598449707
2008	56.3106803894043
2009	55.9808616638184
2010	56.4593315124512
2011	54.028434753418
2012	50.2369651794434
2013	44.5497627258301
2014	38.461540222168
2015	34.761905670166
2016	29.5238094329834
2017	32.8571434020996
2018	33.8095245361328
2019	35.238094329834
2020	43.3333320617676
2021	46.1904754638672
2022	39.1509437561035