Year	Number
1996	68.0851058959961
1998	73.4042587280273
2000	79.3650817871094
2002	75.1322784423828
2003	70.3517608642578
2004	64.5631103515625
2005	69.4174728393555
2006	75.3623199462891
2007	77.2946853637695
2008	75.961540222168
2009	73.459716796875
2010	74.8815155029297
2011	78.6729888916016
2012	69.6682434082031
2013	71.5639801025391
2014	83.8095245361328
2015	84.2857131958008
2016	88.5714263916016
2017	86.1904754638672
2018	85.8490600585938
2019	83.9622650146484
2020	86.7924499511719
2021	87.2641525268555
2022	88.2075500488281