Year	%
1994	69.75269
1997	40.3709
2001	64.35007
2002	64.50993
2003	68.95307
2004	68.95307
2005	70.11243
2006	68.95307
2007	59.08342
2008	59.08342
2009	59.08342
2010	59.08342
2011	59.08342
2013	63.93042
2014	63.17495
2015	50.64309