Year	Number
1996	88.2978744506836
1998	93.0851058959961
2000	88.3597869873047
2002	88.8888854980469
2003	82.9145736694336
2004	82.5242691040039
2005	82.5242691040039
2006	90.8212585449219
2007	82.6086959838867
2008	77.4038467407227
2009	84.3601913452148
2010	77.7251205444336
2011	81.9905242919922
2012	78.1990509033203
2013	82.9383850097656
2014	80
2015	87.6190490722656
2016	81.4285736083984
2017	87.6190490722656
2018	87.2641525268555
2019	83.4905624389648
2020	85.3773574829102
2021	84.9056625366211
2022	86.7924499511719