Year	Percent
2000	47.79894
2001	48.86917
2002	50.38471
2003	51.91933
2004	53.47305
2005	55.04585
2006	56.63774
2007	58.24871
2008	59.87877
2009	61.52792
2010	63.19615
2011	64.88347
2012	66.58988
2013	68.31537
2014	70.05995
2015	71.82362
2016	73.60638
2017	75.40822
2018	77.22914
2019	79.06916
2020	80.92826
2021	82.80645
2022	84.70372