Year	Number
1996	85.792350769043
1998	88.5245895385742
2000	90.163932800293
2002	88.6486511230469
2003	91.3513488769531
2004	92.5373153686523
2005	92.1568603515625
2006	92.1951217651367
2007	89.3203887939453
2008	91.7475738525391
2009	88.9952163696289
2010	88.9952163696289
2011	87.6777267456055
2012	87.6777267456055
2013	89.0995254516602
2014	88.461540222168
2015	88.0952377319336
2016	89.0476226806641
2017	87.1428604125977
2018	89.523811340332
2019	88.0952377319336
2020	85.7142868041992
2021	85.2380981445313
2022	83.0188674926758