Year	Percent
2000	83.4106
2001	83.73747
2002	84.06434
2003	84.3912
2004	84.71807
2005	85.04494
2006	85.37181
2007	85.69867
2008	86.02554
2009	86.35241
2010	86.67928
2011	87.00614
2012	87.34268
2013	87.67928
2014	88.01596
2015	88.35271
2016	88.68953
2017	89.02642
2018	89.36339
2019	89.70043
2020	90.03754
2021	90.37472
2022	90.37472