Year	Percent
2000	98.04761
2001	98.07688
2002	98.10616
2003	98.13543
2004	98.16471
2005	98.19399
2006	98.22326
2007	98.25254
2008	98.28181
2009	98.31109
2010	98.34036
2011	98.36964
2012	98.39892
2013	98.42819
2014	98.45747
2015	98.48674
2016	98.51602
2017	98.54529
2018	98.57457
2019	98.60385
2020	98.63312
2021	98.6624
2022	98.69167