Year	Percent
2000	91.24052
2001	91.77784
2002	92.31516
2003	92.85248
2004	93.3898
2005	93.92712
2006	94.46444
2007	95.00176
2008	95.53908
2009	96.0764
2010	96.57273
2011	97.06861
2012	97.56403
2013	98.05899
2014	98.5535
2015	99.00529
2016	98.96318
2017	98.92107
2018	98.87896
2019	98.87896
2020	98.87896
2021	98.87896
2022	98.87896