Year	Percent
2000	75.14789
2001	75.56018
2002	75.97246
2003	76.38474
2004	76.79702
2005	77.20931
2006	77.62159
2007	78.03387
2008	78.44615
2009	78.85844
2010	79.27072
2011	80.29916
2012	81.33397
2013	82.37516
2014	83.42273
2015	84.47667
2016	85.53699
2017	86.60368
2018	87.67675
2019	88.7562
2020	89.84202
2021	90.93422
2022	92.03279