Year	Percent
2000	44.52977
2001	45.41413
2002	46.41988
2003	47.43027
2004	48.44529
2005	49.46495
2006	50.48924
2007	51.51817
2008	52.55174
2009	53.58995
2010	54.63279
2011	55.68027
2012	56.73239
2013	57.78914
2014	58.85054
2015	59.91656
2016	60.98723
2017	62.06253
2018	63.14247
2019	64.22705
2020	65.31626
2021	66.41011
2022	66.41011