Year % 1989 112.12 1994 86.87 1998 24.22 1999 19.76 2000 19.09 2001 18.74 2002 19.53 2003 19.45 2004 16.84 2005 30 2006 30.1 2007 10.64 2008 8.7 2009 13.16 2010 12.31 2011 12.24 2012 14.22 2013 13.84 2015 13.27 2016 12.37 2019 11.12 2020 13.36 2021 13.34