Year	Percent
2000	70.58539
2001	70.58539
2002	70.58539
2003	70.58539
2004	70.58539
2005	69.48674
2006	68.38612
2007	67.28351
2008	66.17892
2009	65.07235
2010	63.9638
2011	62.85327
2012	61.74076
2013	60.62626
2014	59.50979
2015	58.39134
2016	57.2709
2017	56.14849
2018	55.02409
2019	53.89771
2020	52.76935
2021	51.63902
2022	50.5067