Year	Percent
2000	91.59741
2001	91.74065
2002	91.88228
2003	92.02213
2004	92.16035
2005	92.29666
2006	92.43121
2007	92.56414
2008	92.69532
2009	92.82469
2010	92.95244
2011	93.00038
2012	93.05277
2013	93.10985
2014	93.17154
2015	93.31814
2016	93.46162
2017	93.60192
2018	93.73902
2019	93.87294
2020	94.00364
2021	94.05369
2022	94.07793