Year	Percent
2000	99.60771
2001	99.60771
2002	99.62385
2003	99.64
2004	99.65615
2005	99.67229
2006	99.68844
2007	99.70458
2008	99.72073
2009	99.73687
2010	99.75302
2011	99.76916
2012	99.78531
2013	99.80145
2014	99.8176
2015	99.8176
2016	99.8176
2017	99.8176
2018	99.8176
2019	99.8176
2020	99.8176
2021	99.8176
2022	99.8176