Year	Percent
2000	79.25337
2001	79.78295
2002	80.31161
2003	80.83935
2004	81.36619
2005	81.8921
2006	82.41711
2007	82.9412
2008	83.46437
2009	83.98664
2010	84.50798
2011	85.02842
2012	85.54794
2013	86.06655
2014	86.58424
2015	87.10102
2016	87.61688
2017	88.13183
2018	88.71535
2019	89.29887
2020	89.88238
2021	90.4659
2022	91.04942
