Year Percent of GDP 1990 19.296 1991 17.504 1992 23.784 1993 19.612 1994 12.82 1995 16.047 1996 15.825 1997 15.231 1998 10.828 1999 19.049 2000 28.807 2001 27.635 2002 20.724 2003 21.011 2004 23.828 2005 22.72 2006 21.076 2007 17.018 2008 20.077 2009 10.105 2010 12.421 2011 17.729 2012 14.296 2013 11.047 2014 10.522 2015 7.564 2016 5.538 2017 6.166 2018 7.995 2019 6.974 2020 7.265 2021 7.164 2022 7.254 2023 7.423 2024 7.487