Year % of GDP 1970 1.5078970529420452 1971 1.8343277177150266 1972 0.31380210816717213 1973 -1.2525474676393884 1974 -3.613449724373008 1975 -1.4332884461071678 1976 -0.5933585789498116 1977 0.05513510999953018 1978 0.6441190646864192 1979 -0.1782795706407277 1980 1.2146243488747468 1981 2.6123898594778643 1982 1.5502816070216934 1983 1.080779734356403 1984 0.39728607959748335 1985 0.6773700249183454 1986 -0.22009279531505438 1987 -1.6895094107979352 1988 -3.8814716940226437 1989 -4.650906316219843 1990 -3.550311845558054 1991 -1.6644994652955325 1992 -1.9670259551805458 1993 -1.6696148710958147 1994 -0.8790815355672057 1995 -0.9995508086688819 1996 -0.7275485079901133 1997 -0.0898610622387697 1998 -0.31886163408902585 1999 -2.115183694184676 2000 -1.8097881415587196 2001 -1.7662331986834934 2002 -1.9730433321251855 2003 -1.828084062380876 2004 -2.2921399385129213 2005 -1.981531780218046 2006 -3.122182457554594 2007 -3.73342924098549 2008 -3.886579759947578 2009 -3.039193188609074 2010 -2.771841075426024 2011 -1.6309700887718788 2012 -3.1471891467012916 2013 -4.6511937311768525 2014 -5.011417067957053 2015 -4.946677011363578 2016 -5.498797343045654 2017 -3.497848689936494 2018 -3.922065149530739 2019 -2.685148884736796 2020 -2.8992640801178386 2021 -0.4738355656965126 2022 -3.2515680999383316 2023 -3.305152415431176