Year	Percent
2000	98.83909
2001	98.83382
2002	98.82856
2003	98.82329
2004	98.81802
2005	98.81276
2006	98.80749
2007	98.80223
2008	98.79696
2009	98.7917
2010	98.78643
2011	98.78116
2012	98.7759
2013	98.77063
2014	98.76537
2015	98.7601
2016	98.75484
2017	98.74957
2018	98.74957
2019	98.74957
2020	98.74957
2021	98.74957
2022	98.74957