Year	Percent
2000	85.82711
2001	85.83529
2002	85.84626
2003	85.85714
2004	85.86799
2005	85.87875
2006	85.88941
2007	85.90002
2008	85.91056
2009	85.92101
2010	85.9314
2011	85.9417
2012	85.95203
2013	85.96239
2014	85.97275
2015	85.98314
2016	85.99353
2017	86.00395
2018	86.01434
2019	86.02472
2020	86.03511
2021	86.04551
2022	86.05586