Year Percent of GDP 1990 18.27 1991 10.409 1992 17.642 1993 16.332 1994 20.11 1995 22.051 1996 23.938 1997 24.952 1998 18.616 1999 25.902 2000 32.736 2001 26.369 2002 22.631 2003 22.222 2004 21.901 2005 22.311 2006 17.598 2007 10.227 2008 10.766 2009 3.488 2010 8.25 2011 2.5 2012 6.993 2013 5.033 2014 7.105 2015 -4.412 2016 -1.366 2017 1.956 2018 5.084 2019 6.783 2020 4.459 2021 3.369 2022 2.529 2023 2.601 2024 2.312