Year	Percent
2000	48.73027
2001	49.24984
2002	49.98035
2003	50.72876
2004	51.49477
2005	52.27891
2006	53.08088
2007	53.90525
2008	54.7678
2009	55.63363
2010	56.50258
2011	57.37449
2012	58.25001
2013	59.13127
2014	60.0182
2015	60.91065
2016	61.80777
2017	62.70906
2018	63.61382
2019	64.52143
2020	64.48912
2021	64.45544
2022	64.42023