Year % 1994 13.52 1995 17.04 2001 13.51 2002 14.46 2003 13.84 2004 13.84 2005 13.83 2006 13.37 2007 11.55 2008 11.55 2009 9.15 2010 11.55 2011 9.39 2012 9.53 2013 11.58 2014 11.14 2019 18.38