Year	Percent
2000	80.42316
2001	81.09465
2002	81.7674
2003	82.4414
2004	83.11666
2005	83.79317
2006	84.47094
2007	85.14996
2008	85.83024
2009	86.51176
2010	87.19455
2011	87.87858
2012	88.56388
2013	89.25042
2014	89.93822
2015	90.62727
2016	91.31758
2017	92.00915
2018	92.70196
2019	93.39603
2020	94.09136
2021	94.09136
2022	94.09136