Year	Percent
2000	69.96659
2001	70.76385
2002	71.56556
2003	72.37172
2004	73.18232
2005	73.99738
2006	74.81688
2007	75.64084
2008	76.46924
2009	77.30209
2010	78.1394
2011	78.98115
2012	79.82735
2013	80.678
2014	81.53309
2015	82.39264
2016	83.25664
2017	84.12508
2018	84.99797
2019	85.87532
2020	86.75711
2021	87.64335
2022	88.13635