Year	Percent
2000	98.50413
2001	98.50413
2002	98.50413
2003	98.50413
2004	98.50413
2005	98.54134
2006	98.57855
2007	98.61577
2008	98.65298
2009	98.69019
2010	98.7274
2011	98.76462
2012	98.80183
2013	98.83904
2014	98.87625
2015	98.91347
2016	98.95068
2017	98.98789
2018	99.0251
2019	99.06232
2020	99.09953
2021	99.13674
2022	99.13674