Year	Percent
2000	79.78221
2001	80.43832
2002	81.09444
2003	81.75056
2004	82.40667
2005	83.25088
2006	84.09805
2007	84.9482
2008	85.80132
2009	86.65741
2010	87.51647
2011	88.3785
2012	89.24351
2013	90.11148
2014	90.98243
2015	91.85635
2016	92.73324
2017	93.6131
2018	94.49593
2019	95.38173
2020	96.27051
2021	97.16226
2022	98.05698
