Year % of GDP 1970 1.6473641804353436 1971 0.011817576575524565 1972 0.6131457058865231 1973 0.585677840151816 1974 2.7100944667620017 1975 0.76488458554706 1976 1.054814184407478 1977 0.850904441344883 1978 0.5126295466726264 1979 0.0772852622732484 1980 0.823384606478612 1981 0.029780561736718406 1982 -0.1184971225634678 1983 0.0008557980329418207 1984 0.0014947682937207143 1985 0.0006865773736563823 1986 0.008347245680214641 1987 0.0055607047604165774 1988 0.022031473854886005 1989 0.021733993547636502 1990 0.0005397624818870084 1991 0.025458852108846197 1992 0.062495920387408505 1993 2.0021789933162563E-06 1994 2.350553189812877E-06 1995 2.3943899440677205E-06 1996 0.5751833411901478 1997 0.5396697531885261 1998 1.258825318408032 1999 0.5994982996716075 2000 0.5112209571545047 2001 1.873492383360897 2002 1.7311889749720506 2003 0.8680367079363599 2004 0.9625868733760578 2005 1.0799033303114367 2006 1.4957233520752684 2007 1.1838181536619024 2008 1.4627734457178678 2009 1.8274216466826148 2010 1.2939046748781804 2011 1.1776732910117136 2012 0.6605519538987952 2013 0.7365590651116339 2014 0.6286889683910061 2015 -0.28683229067643784 2016 0.9063007059974608 2017 0.6479026963448992 2018 0.7535760885521305 2019 0.7139473080156913 2020 0.6938160147728425 2021 0.46661971309264183 2022 0.03353431992868174