Year	Percent
2000	63.13167
2001	63.13167
2002	63.25179
2003	63.37192
2004	63.49204
2005	62.17873
2006	60.86001
2007	59.53587
2008	58.20632
2009	56.87136
2010	55.53098
2011	54.18519
2012	52.83398
2013	51.47736
2014	50.11533
2015	48.74788
2016	47.37502
2017	45.99674
2018	44.61305
2019	43.22395
2020	41.82944
2021	40.42951
2022	40.42951