Year	Percent
2000	69.58917
2001	70.70056
2002	71.81973
2003	72.94667
2004	74.08139
2005	75.22389
2006	76.37416
2007	77.5322
2008	78.69802
2009	79.87162
2010	81.05299
2011	82.24214
2012	83.43906
2013	84.64376
2014	85.85623
2015	87.07648
2016	88.30451
2017	89.54031
2018	90.78388
2019	92.03523
2020	93.21963
2021	93.66079
2022	93.66079