Year	Percent
2000	47.00293
2001	47.98584
2002	49.10737
2003	50.2202
2004	51.3243
2005	52.41913
2006	53.50518
2007	54.58193
2008	55.65032
2009	56.70844
2010	57.75816
2011	58.79852
2012	59.83173
2013	60.85808
2014	61.87658
2015	62.88796
2016	63.89123
2017	64.88671
2018	65.87427
2019	66.8534
2020	67.824
2021	68.03478
2022	68.24781