Year	Percent
2000	96.88549
2001	96.88944
2002	96.89339
2003	96.89734
2004	96.90132
2005	96.95946
2006	97.01655
2007	97.07273
2008	97.12814
2009	97.18289
2010	97.23715
2011	97.29103
2012	97.3447
2013	97.39827
2014	97.45189
2015	97.50571
2016	97.55985
2017	97.61446
2018	97.66967
2019	97.72562
2020	97.78244
2021	97.84027
2022	97.84256