Year	Percent
2000	99.87943
2001	99.87943
2002	99.87943
2003	99.81132
2004	99.74321
2005	99.6751
2006	99.607
2007	99.53889
2008	99.47078
2009	99.40267
2010	99.33456
2011	99.26645
2012	99.19835
2013	99.13024
2014	99.06213
2015	98.99402
2016	98.92591
2017	98.8578
2018	98.78969
2019	98.78969
2020	98.78969
2021	98.78969
2022	98.78969