Year	Percent
2000	99.01266
2001	99.0457
2002	99.07875
2003	99.1118
2004	99.14485
2005	99.17789
2006	99.21094
2007	99.24399
2008	99.27703
2009	99.31008
2010	99.34313
2011	99.37618
2012	99.40922
2013	99.44227
2014	99.47532
2015	99.50836
2016	99.54141
2017	99.57446
2018	99.60751
2019	99.64055
2020	99.6736
2021	99.70665
2022	99.73969
