Year	Percent
2001	63.78137
2002	63.78137
2003	63.78137
2004	63.78137
2005	63.78137
2006	64.17228
2007	64.4449
2008	64.19096
2009	63.92926
2010	63.65982
2011	63.38262
2012	63.09766
2013	62.80496
2014	62.5045
2015	62.19629
2016	61.88032
2017	61.5566
2018	61.22513
2019	60.8859
2020	61.22958
2021	61.57326
2022	61.91693