Year % 1994 13.52 1995 17.11 2001 13.51 2002 14.46 2003 13.84 2004 13.84 2005 13.83 2006 13.37 2007 12.14 2008 12.14 2009 9.73 2010 12.14 2011 9.65 2012 9.95 2013 12.17 2014 11.54 2019 18.44