Year	Percent
2000	87.57455
2001	88.25683
2002	88.93536
2003	89.59468
2004	90.25626
2005	90.92025
2006	91.58674
2007	92.25553
2008	92.92665
2009	93.60026
2010	94.27628
2011	94.95472
2012	95.635
2013	96.31801
2014	97.00371
2015	97.6921
2016	98.3831
2017	98.79661
2018	98.95542
2019	98.95753
2020	98.95751
2021	98.95736
2022	98.95708