Year	Percent
2000	73.04293
2001	73.4258
2002	73.80868
2003	74.19155
2004	74.57443
2005	75.44789
2006	76.32636
2007	77.20984
2008	78.09833
2009	78.99183
2010	79.89035
2011	80.79387
2012	81.70241
2013	82.61596
2014	83.53452
2015	84.4581
2016	85.38668
2017	86.32028
2018	87.25889
2019	88.20251
2020	89.15114
2021	90.10479
2022	91.06344