Year	Number
1996	72.0430145263672
1998	72.192512512207
2000	70.2127685546875
2002	73.0158767700195
2003	74.0740737915039
2004	73.8916244506836
2005	72.6829299926758
2006	72.1951217651367
2007	71.8446578979492
2008	73.3009719848633
2009	84.2105255126953
2010	88.5714263916016
2011	88.1516571044922
2012	87.2037887573242
2013	88.1516571044922
2014	91.3461532592773
2015	91.4285736083984
2016	90
2017	91.4285736083984
2018	90
2019	89.523811340332
2020	90.9523773193359
2021	83.8095245361328
2022	83.9622650146484