Year Percent of GDP 1989 3.645 1990 4.391 1991 4.358 1992 4.054 1993 4.583 1994 4.642 1995 4.331 1996 4.654 1997 4.157 1998 2.67 1999 1.405 2000 0.882 2001 1.206 2002 0.641 2003 1.38 2004 2.206 2005 3.568 2006 4.766 2007 3.416 2008 3.411 2009 0.626 2010 0.681 2011 2.267 2012 2.325 2013 2.67 2014 3.115 2015 2.668 2016 1.466 2017 1.344 2018 0.969 2019 0.814 2020 0.649 2021 0.555 2022 0.477 2023 0.278 2024 0.289