Year % of GDP 1970 0.04112242087956424 1971 0.019695960959207608 1972 0.029556312648181395 1973 0.011483879218663059 1975 0.2185384530134457 1976 0.01692215269102906 1977 0.026447029933692377 1978 0.0009563984079713186 1979 0.04683955289287778 1980 0.07938461452596482 1981 0.03291535770900462 1982 0.02504817224918829 1983 0.0299529311529637 1984 0.027279521360403056 1985 0.004119464241938294 1986 -0.008347245680214641 1987 0.02255174708391165 1988 0.008297568075216786 1989 0.01464682173862463 1990 0.007556674746418102 1991 0.11000592376334033 1992 2.0831973462469505E-06 1993 2.0021789933162563E-06 1994 2.350553189812877E-06 1995 2.3943899440677205E-06 1996 2.1303086710746215E-06 1997 2.0756528968789463E-06 1998 0.0020752148341708406 1999 0.015624784216406779 2000 0.02500438098185189 2001 0.015653034257293617 2002 0.16023446633018615 2003 0.038540773493881735 2004 0.26704382456361464 2005 0.051379483708589004 2006 0.0641836745322903 2007 0.10316436373647488 2008 0.1762088862800235 2009 0.14264704063001984 2010 0.12331355471923025 2011 0.2445439956412951 2012 -0.018244905735406297 2013 -0.11830502833549886 2014 -0.007772135936946799 2015 0.053933657769796854 2016 0.02574678754704985 2017 -0.004511472733551323 2018 0.4349483559557997 2019 0.01610073909405562 2020 0.008858539168602046 2021 -0.027799099963671612 2022 0.03128511829264617