Year % of GDP 1987 2.7505963998959184 1988 3.3965317482175785 1989 3.4900629851479286 1990 2.722356008090607 1991 1.9182599404268825 1992 1.5889521546547742 1993 1.3639176404943003 1994 1.0581829453109148 1995 1.1280606945843048 1996 1.0379846645563784 1997 0.9465054427973107 1998 0.5039862704853985 1999 0.5911015182942223 2000 0.9408521507195726 2001 1.0204359808071732 2002 0.7452173280520028 2003 0.7184747986460243 2004 1.1055112250381225 2005 0.9639012734482415 2006 1.1939047446601379 2007 1.0511173751397247 2008 1.5481668000290996 2009 0.8968943257383225 2010 2.1965406056706236 2011 2.8536417050366674 2012 2.066380946656824 2013 1.7657099086367274 2014 1.6291361880972548 2015 0.824958708623508 2016 1.0145011672396795 2017 1.4664738841280838 2018 1.3750411493336903 2019 0.587985593242177 2020 0.4766150928920033 2021 0.788800096606322