Year	Percent
2000	89.83893
2001	90.06339
2002	90.28785
2003	90.51231
2004	90.73677
2005	90.96124
2006	91.1857
2007	91.41016
2008	91.63462
2009	91.31021
2010	90.38035
2011	89.44487
2012	88.50377
2013	87.55704
2014	86.6047
2015	86.49802
2016	86.82173
2017	87.14599
2018	87.4708
2019	87.79618
2020	88.1221
2021	88.33179
2022	88.54149