Year % of GDP 1970 11.539662630815766 1971 11.377644285458501 1972 5.19959349593496 1973 3.8459166178126636 1974 1.28414435902186 1975 2.146520845085827 1976 -0.020228972712838328 1977 -0.29848604740500445 1978 -1.0058506393254498 1979 -1.0886309601140267 1980 1.0338214996543127 1981 -0.38603195839378923 1982 -0.4797333442507084 1983 -0.5166798802167838 1984 0.5139948691349013 1985 -0.4285226547708161 1986 -0.1669964494444436 1987 1.624578066791254 1988 -0.3134515523587511 1989 1.2962725445944208 1990 3.002912703359788 1991 3.2438690729787902 1992 4.027764318724525 1993 1.4319653740734737 1994 1.44886099843129 1995 1.5476956368214305 1996 1.8352986688673676 1997 1.8535622217626824 1998 3.6655608209931128 1999 5.34147521194183 2000 4.659600174636841 2001 6.2698973867583465 2002 4.566308945734292 2003 7.247963743365596 2004 5.49763452709418 2005 5.6733334289472825 2006 7.0606047234470655 2007 6.343185906819386 2008 10.04130361234432 2009 4.002857281058421 2010 1.4052035043032993 2011 1.1959931712135887 2012 2.791456958947211 2013 3.8189829432401496 2014 4.1883561724128775 2015 6.5190075130743805 2016 6.592103047240132 2017 6.001999600307623 2018 4.924231151011013 2019 4.203305971907953 2020 1.919290886956922 2021 2.1864445926779204 2022 1.8641973404534444