Year	Percent
2000	95.51841
2001	95.51504
2002	95.51203
2003	95.50938
2004	95.50714
2005	95.67314
2006	95.83953
2007	96.00633
2008	96.1735
2009	96.34104
2010	96.50895
2011	96.67729
2012	96.84334
2013	97.0087
2014	97.17428
2015	97.34002
2016	97.50599
2017	97.67283
2018	97.84061
2019	97.89702
2020	97.89866
2021	97.90139
2022	97.91041