Year	Percent
1982	56.91522
1986	47.68555
2001	66.02569
2002	66.75073
2003	66.13822
2004	61.4371
2005	59.23916
2007	53.77965
2008	57.58
2009	72.58831
2010	55.55531
2011	53.42706
2012	54.34081
2013	54.1997
2014	57.02684
2016	51.73842