Year	Percent
2000	76.96366
2001	77.47312
2002	77.98204
2003	78.54379
2004	79.12547
2005	79.70303
2006	80.27697
2007	80.84694
2008	81.41297
2009	81.97411
2010	82.53122
2011	83.07167
2012	83.60015
2013	84.1252
2014	84.64707
2015	85.16592
2016	85.68164
2017	86.1939
2018	86.70101
2019	87.20311
2020	87.70039
2021	88.19322
2022	88.68179