Year	Number
1996	86.4321594238281
1998	89.5
2000	91.0447769165039
2002	92.0398025512695
2003	93.0348281860352
2004	92.3076934814453
2005	92.3444976806641
2006	92.8229675292969
2007	90.9090881347656
2008	90.8653869628906
2009	89.0995254516602
2010	90.0473937988281
2011	89.2018814086914
2012	89.2018814086914
2013	88.2629089355469
2014	87.9807662963867
2015	87.1428604125977
2016	85.2380981445313
2017	85.7142868041992
2018	88.0952377319336
2019	89.0476226806641
2020	90.476188659668
2021	90
2022	88.6792449951172