Year	Percent
2000	64.23493
2001	64.66458
2002	65.09507
2003	65.52639
2004	65.95853
2005	66.39151
2006	66.82531
2007	67.85679
2008	68.90063
2009	69.95698
2010	71.03098
2011	72.14066
2012	73.25699
2013	74.37995
2014	75.50928
2015	76.64502
2016	77.78701
2017	78.93576
2018	80.09069
2019	81.25103
2020	82.41605
2021	83.58501
2022	84.75716