Year	Percent
2000	97.61342
2001	97.7086
2002	97.8094
2003	97.90874
2004	98.0067
2005	98.10321
2006	98.19831
2007	98.29207
2008	98.38447
2009	98.47552
2010	98.56525
2011	98.65369
2012	98.74088
2013	98.8268
2014	98.91147
2015	98.97597
2016	98.97961
2017	98.98319
2018	98.98675
2019	98.99026
2020	98.99375
2021	98.99718
2022	99.00058
