Year % of GDP 1970 1.5897031163422106 1971 1.7485074170275752 1972 0.4778646370321491 1973 0.48993897042491313 1974 0.035467370122921255 1975 0.3708075313255055 1976 -0.11154519138067548 1977 0.05903448766674594 1978 -0.1402213891832587 1979 0.009317778916236768 1980 -0.5215203273412686 1981 0.07764835165756007 1982 0.16951858087276994 1983 0.18057437672188567 1984 0.13982418585099554 1985 0.4104715160334277 1986 0.04164142054836915 1987 0.34465954457790154 1988 0.2908770754115929 1989 0.8903388324082139 1990 0.3259835164290914 1991 1.2771871573997593 1992 0.9007351315309461 1993 1.0358210997974864 1994 1.0471670357634728 1995 0.67352040579628 1996 0.9482100504672379 1997 2.045957800080128 1998 1.7013761017930569 1999 1.9554445992330656 2000 2.034784920401036 2001 2.085799440663277 2002 1.9297878022702846 2003 2.92646197777961 2004 2.0816504936809537 2005 3.1861344385219725 2006 2.4771557141174516 2007 3.402939742785792 2008 2.967364359409153 2009 2.388422658620566 2010 2.263288180621517 2011 2.6425105910229707 2012 2.457592748186773 2013 1.6845330606294135 2014 0.8453104662835403 2015 1.4825355920271397 2016 1.636647872183822 2017 2.0295869476931947 2018 1.6026757631232507 2019 1.3694039367173723 2020 0.904086530462956 2021 1.8776928076524841 2022 1.0134884456359876