Year	Percent
2000	81.84455
2001	82.42513
2002	83.01843
2003	83.61191
2004	84.20556
2005	84.7994
2006	85.39341
2007	85.98759
2008	86.58196
2009	87.1765
2010	87.77122
2011	88.36612
2012	88.9612
2013	89.55645
2014	90.15189
2015	90.7475
2016	91.34329
2017	91.93925
2018	91.93925
2019	91.93925
2020	91.93925
2021	91.93925