Year	Percent
2000	96.87856
2001	96.93866
2002	96.94078
2003	96.94479
2004	96.95064
2005	96.958
2006	96.96704
2007	96.97763
2008	96.98974
2009	97.00308
2010	97.01775
2011	97.02389
2012	97.02949
2013	97.03602
2014	97.04369
2015	97.05221
2016	97.0617
2017	97.07118
2018	97.08077
2019	97.09037
2020	97.09991
2021	97.10942
2022	97.15646
