Year	Percent
2000	83.18615
2001	83.18615
2002	83.18615
2003	83.18615
2004	83.18615
2005	83.17111
2006	83.15607
2007	83.14103
2008	83.12599
2009	83.4475
2010	83.7689
2011	84.09017
2012	84.41132
2013	84.73235
2014	85.05325
2015	85.37404
2016	85.6947
2017	86.01524
2018	86.33566
2019	86.65596
2020	86.97613
2021	86.96036
2022	86.94459
