Year	Percent
2000	99.50653
2001	99.50653
2002	99.50653
2003	99.50653
2004	99.50653
2005	99.48998
2006	99.47343
2007	99.45688
2008	99.44033
2009	99.42378
2010	99.40723
2011	99.39068
2012	99.37413
2013	99.35758
2014	99.34103
2015	99.32448
2016	99.30793
2017	99.29138
2018	99.27483
2019	99.25828
2020	99.25828
2021	99.25828
2022	99.25828