Year	Percent
2000	76.40915
2001	76.91859
2002	77.42945
2003	77.94172
2004	78.45541
2005	78.97051
2006	79.48702
2007	80.00494
2008	80.52428
2009	81.04504
2010	81.5672
2011	82.09078
2012	82.61578
2013	83.14218
2014	83.67001
2015	84.19924
2016	84.72989
2017	85.26195
2018	85.79542
2019	86.33031
2020	86.86661
2021	87.40433
2022	87.77698