Year	Percent
2000	7.49999
2001	26.10365
2002	26.10365
2003	23.79808
2004	21.2766
2005	19.45455
2006	19.45455
2007	19.45455
2008	19.5016
2009	19.45455
2010	19.45454
2011	19.45454
2012	19.45454
2013	19.45454
2014	19.4932
2015	20.15733
2016	20.08567