Year	Number
1996	91.5
1998	95.5223846435547
2000	93.0348281860352
2002	93.0348281860352
2003	89.0547256469727
2004	88.9423065185547
2005	82.211540222168
2006	87.0192337036133
2007	87.0192337036133
2008	87.0192337036133
2009	90.0473937988281
2010	90.5213241577148
2011	91.5492935180664
2012	91.5492935180664
2013	91.5492935180664
2014	92.61083984375
2015	93.1034469604492
2016	93.1034469604492
2017	92.61083984375
2018	92.7184448242188
2019	92.2705307006836
2020	93.7198104858398
2021	92.2705307006836
2022	91.3043441772461