Year	Number
1996	57.5268821716309
1998	55.6149749755859
2000	59.5744667053223
2002	83.0687866210938
2003	76.1904754638672
2004	83.7438430786133
2005	80.4878082275391
2006	78.0487823486328
2007	80.0970840454102
2008	82.0388336181641
2009	78.4689025878906
2010	78.5714263916016
2011	81.0426559448242
2012	82.9383850097656
2013	87.2037887573242
2014	83.1730804443359
2015	81.4285736083984
2016	82.8571395874023
2017	81.9047622680664
2018	82.8571395874023
2019	81.9047622680664
2020	82.3809509277344
2021	83.3333358764648
2022	83.4905624389648