Year	Percent
2000	96.72603
2001	96.77847
2002	96.83092
2003	96.88337
2004	96.93581
2005	96.98826
2006	97.0407
2007	97.09315
2008	97.1456
2009	97.24892
2010	97.3523
2011	97.45574
2012	97.55923
2013	97.66277
2014	97.76637
2015	97.87003
2016	97.97374
2017	98.0775
2018	98.18132
2019	98.28519
2020	98.38912
2021	98.49311
2022	98.59715