Year	Percent
2000	96.73886
2001	96.77563
2002	96.81239
2003	96.84912
2004	96.88584
2005	96.92254
2006	96.95923
2007	96.9959
2008	97.03255
2009	97.06918
2010	97.1058
2011	97.1424
2012	97.17898
2013	97.21555
2014	97.2521
2015	97.28863
2016	97.32515
2017	97.36165
2018	97.39813
2019	97.4346
2020	97.47105
2021	97.79627
2022	97.78041