Year	Number
1996	86.4321594238281
1998	84.5
2000	79.6019897460938
2002	83.5820922851563
2003	84.0796051025391
2004	82.6923065185547
2005	85.1674652099609
2006	86.6028671264648
2007	85.1674652099609
2008	85.0961532592773
2009	86.2559204101563
2010	84.8341217041016
2011	86.3849792480469
2012	86.3849792480469
2013	86.3849792480469
2014	86.538459777832
2015	87.1428604125977
2016	86.1904754638672
2017	87.6190490722656
2018	85.7142868041992
2019	86.1904754638672
2020	86.1904754638672
2021	87.6190490722656
2022	87.7358474731445