Year % 1995 26.54922 1996 24.18311 1997 24.81804 1998 17.71355 1999 9.615939 2000 10.34768 2001 10.6087 2002 7.589713 2003 9.890816 2004 8.891103 2005 2.28017 2006 6.929918 2007 1.568774 2008 15.15027 2009 15.0689 2010 1.754927 2011 1.730894 2012 1.228869 2013 17.54912 2014 12.76696 2015 12.41651 2017 13.22057 2018 1.131044 2019 0.9947962 2020 1.019114 2021 1.4889