Year	Number
1996	29.0322589874268
1998	25.6684494018555
2000	25.5319156646729
2002	34.3915328979492
2003	48.6772499084473
2004	49.7536964416504
2005	51.2195129394531
2006	55.6097564697266
2007	54.3689308166504
2008	55.8252410888672
2009	55.9808616638184
2010	54.761905670166
2011	55.4502372741699
2012	54.028434753418
2013	54.502368927002
2014	55.288459777832
2015	53.8095245361328
2016	52.8571434020996
2017	47.1428565979004
2018	50
2019	48.5714302062988
2020	45.7142868041992
2021	48.0952377319336
2022	48.113208770752