Year % 1993 3.33 1996 7.44 1998 29.34 1999 22.52 2000 30.92 2001 14.95 2003 24.3 2004 23.6 2005 26.96 2006 13.61 2007 15.16 2008 12.01 2009 10.09 2010 8.64 2011 9.09 2012 8.64 2013 9.19 2014 8.91 2015 8.8 2016 8.95 2017 9.85 2019 8.57 2021 10.33