Year	Percent
2000	40.49763
2001	40.49763
2002	40.49763
2003	40.49763
2004	40.49763
2005	41.94456
2006	43.39148
2007	45.01506
2008	46.65003
2009	48.2964
2010	49.95417
2011	51.62335
2012	53.30392
2013	54.9959
2014	56.69927
2015	58.41405
2016	60.14022
2017	60.14022
2018	60.14022
2019	60.14022
2020	60.14022