Year % of GDP 1970 1.8548104882364296 1971 15.118212988090306 1972 16.144378400866895 1973 12.602095344876723 1974 7.87543306941093 1975 2.0075539294403892 1976 0.3154199400027457 1977 0.2595741278344219 1978 0.46091780083327133 1979 1.374901959088473 1980 2.3468368433402955 1981 1.5471663307862749 1982 1.6360563395268288 1983 2.673923923751109 1984 1.5932185714563205 1985 0.5872476311969123 1986 1.213436653718822 1987 1.8909318833024575 1988 0.41107739023411216 1989 -0.29817684533126054 1990 0.8057736427742392 1991 1.2020290239545686 1992 0.09337964680170441 1993 10.65647672038106 1994 0.16898713720428357 1995 5.329956448696303 1996 2.4571054845724003 1997 -2.1182414975741395 1998 -8.703069304704684 1999 -2.900434691106157 2000 -3.040392584380439 2001 -4.844261092845014 2002 6.594565067260841 2003 6.280145681762507 2004 1.9016206520962056 2005 12.049845584601758 2006 18.445980124535552 2007 16.216555026587017 2008 16.72100181658777 2009 12.228886249969552 2010 11.577295221729571 2011 1.907834794616168 2012 -0.3913993975192829 2013 10.46210100837081 2014 16.133995165356055 2015 34.41825610171183 2016 0.46296936346263884 2017 37.32277488125844 2018 29.20861002729695 2019 -10.214754976236273 2020 -17.292116083089486 2021 -2.1598287375475778 2022 3.3650833672227964