Year	Percent
2000	64.25637
2001	65.25662
2002	66.27617
2003	67.28619
2004	68.28507
2005	69.27195
2006	70.24775
2007	71.21226
2008	72.16579
2009	73.10799
2010	74.03954
2011	74.96012
2012	75.87036
2013	76.76985
2014	77.65918
2015	78.5379
2016	79.40648
2017	80.26502
2018	81.11363
2019	81.95255
2020	82.78203
2021	83.60218
2022	84.39699