Year	Percent
2000	73.41658
2001	74.63938
2002	75.87028
2003	77.10983
2004	78.3575
2005	79.61283
2006	80.876
2007	82.14714
2008	83.42551
2009	84.71125
2010	86.00788
2011	87.31426
2012	88.62951
2013	89.95286
2014	91.28315
2015	92.56932
2016	93.35316
2017	94.13123
2018	94.90298
2019	95.66775
2020	96.36208
2021	97.0071
2022	97.64219