Year	Percent
2000	68.08494
2001	69.53775
2002	70.99057
2003	72.44339
2004	73.89621
2005	75.34902
2006	76.80184
2007	78.25466
2008	79.81723
2009	81.38381
2010	82.95439
2011	84.52897
2012	86.10755
2013	87.69014
2014	89.27672
2015	90.8673
2016	92.46189
2017	94.06048
2018	95.66306
2019	97.26965
2020	98.74648
2021	99.66411
2022	99.66411