Year	Percent
2000	99.31522
2001	99.35029
2002	99.38536
2003	99.42043
2004	99.45551
2005	99.49058
2006	99.52565
2007	99.56072
2008	99.59579
2009	99.63087
2010	99.66594
2011	99.70101
2012	99.73608
2013	99.77116
2014	99.80623
2015	99.8413
2016	99.87637
2017	99.91144
2018	99.94652
2019	99.98159
2020	100
2021	100
2022	100