Year	Number
1996	68.6170196533203
1998	72.8723373413086
2000	80.9523773193359
2002	83.0687866210938
2003	78.8944702148438
2004	74.7572784423828
2005	74.271842956543
2006	79.7101440429688
2007	85.5072479248047
2008	87.0192337036133
2009	85.3080596923828
2010	86.2559204101563
2011	72.9857788085938
2012	78.1990509033203
2013	78.1990509033203
2014	86.6666641235352
2015	88.5714263916016
2016	88.5714263916016
2017	79.523811340332
2018	83.9622650146484
2019	80.1886825561523
2020	73.5849075317383
2021	73.5849075317383
2022	69.8113174438477