Year	Number
1996	86.5
1998	88.059700012207
2000	87.5621871948242
2002	88.059700012207
2003	88.5572128295898
2004	87.9807662963867
2005	87.0192337036133
2006	88.461540222168
2007	88.461540222168
2008	88.461540222168
2009	87.2037887573242
2010	84.3601913452148
2011	86.8544616699219
2012	84.9765243530273
2013	88.2629089355469
2014	86.6995086669922
2015	86.6995086669922
2016	88.1773376464844
2017	88.1773376464844
2018	86.4077682495117
2019	83.0917892456055
2020	87.4396133422852
2021	85.0241546630859
2022	84.5410614013672