Year	Percent
2000	57.16701
2001	58.24491
2002	59.3239
2003	60.40398
2004	61.48515
2005	62.5674
2006	63.65074
2007	64.73517
2008	65.82068
2009	66.90728
2010	67.99496
2011	69.08374
2012	70.1736
2013	71.26455
2014	72.35658
2015	73.4497
2016	74.54391
2017	75.6392
2018	76.73558
2019	77.79308
2020	78.85057
2021	79.90806
2022	80.96555