Year	Percent
2000	81.60988
2001	82.22809
2002	82.84718
2003	83.46716
2004	84.08801
2005	84.70974
2006	85.33236
2007	85.95585
2008	86.58022
2009	87.20548
2010	87.83161
2011	88.45862
2012	89.08652
2013	89.71529
2014	90.34494
2015	90.97548
2016	91.60689
2017	92.23919
2018	92.87236
2019	93.50641
2020	94.11375
2021	94.67519
2022	94.67519