Year	Percent
2000	77.74752
2001	78.51149
2002	79.26575
2003	80.01051
2004	80.74616
2005	81.47235
2006	82.18955
2007	82.89768
2008	83.59736
2009	84.28833
2010	84.97098
2011	85.64617
2012	86.31345
2013	86.97323
2014	87.6256
2015	88.27034
2016	88.90782
2017	89.53789
2018	90.16077
2019	90.77656
2020	91.38534
2021	91.98713
2022	92.51845