Year	Percent
2000	96.55902
2001	96.60177
2002	96.64453
2003	96.68728
2004	96.73003
2005	95.15606
2006	94.97884
2007	94.8486
2008	94.71821
2009	94.58766
2010	94.45696
2011	94.32611
2012	94.19511
2013	94.06396
2014	93.93265
2015	93.80119
2016	93.66959
2017	93.53782
2018	93.40591
2019	93.27384
2020	93.14163
2021	93.00926
2022	92.87674