Year	Percent
2000	72.10759
2001	72.7781
2002	73.44622
2003	74.105
2004	74.73546
2005	75.36385
2006	75.99015
2007	76.61434
2008	77.23659
2009	77.85617
2010	78.4736
2011	79.08853
2012	79.70128
2013	80.31102
2014	80.91759
2015	81.52086
2016	82.12055
2017	82.71685
2018	83.30966
2019	83.89902
2020	84.48498
2021	85.06744
2022	85.64661