Year	Percent
2000	97.69288
2001	97.69288
2002	97.72465
2003	97.75641
2004	97.78819
2005	97.81996
2006	97.85174
2007	97.88353
2008	97.91532
2009	97.94712
2010	97.97892
2011	98.01072
2012	98.04253
2013	98.07435
2014	98.10617
2015	98.13799
2016	98.16982
2017	98.20166
2018	98.2335
2019	98.26534
2020	98.29719
2021	98.32904
2022	98.3609