Year Percent of GDP 1990 11.884 1991 10.118 1992 12.853 1993 15.7 1994 20.239 1995 16.065 1996 13.628 1997 17.968 1998 9.286 1999 10.654 2000 10.276 2001 4.639 2002 3.707 2003 1.93 2004 3.225 2005 5.732 2006 5.424 2007 10.109 2008 6.106 2009 0.048 2010 6.032 2011 8.606 2012 7.792 2013 6.552 2014 5.362 2015 3.549 2016 4.251 2017 5.778 2018 3.973 2019 4.242 2020 3.137 2021 2.935 2022 2.832 2023 2.68 2024 2.527