Year % of GDP 1987 5.8338850879129005 1988 6.341243447381769 1989 6.25119508141262 1990 4.28138537530827 1991 3.2315351247489 1992 1.90943719983615 1993 1.7123627054257198 1994 1.6543555813106199 1995 1.6205059264653199 1996 1.7769473693681301 1997 1.6387348217000601 1998 1.9065375456999898 1999 1.8350123058221 2000 2.02248060815309 2001 1.7816584078498499 2002 1.79556721143698 2003 1.50969431652769 2004 1.38273006263926 2005 1.01728588491723 2006 0.961656696108958 2007 1.05327216611992 2008 0.823306745414827 2009 0.629698225139809 2010 0.762997245666295 2011 0.837270236688781 2012 0.924305618490081 2013 0.822311489894261 2014 0.8597252583307899 2015 0.87550783278675 2016 0.8639109935834071 2017 0.762153817758418 2018 0.727577567691182 2019 0.690477400694624 2020 0.776864756438714 2021 0.634517577391162 2022 0.603063250173256