Year	Percent
2000	99.6779
2001	99.68174
2002	99.68558
2003	99.68942
2004	99.69326
2005	99.6971
2006	99.70094
2007	99.70478
2008	99.70862
2009	99.71246
2010	99.7163
2011	99.72014
2012	99.72398
2013	99.72782
2014	99.73166
2015	99.7355
2016	99.73935
2017	99.74319
2018	99.74703
2019	99.75087
2020	99.75471
2021	99.75855
2022	99.75855