Year % of GDP 1970 0 1971 0 1972 0 1973 0 1974 0 1975 0 1976 0 1977 0 1978 0 1979 0 1980 0.02113960999366643 1981 0.009851126044851477 1982 0.005905214441682574 1983 0.0991765694063864 1984 0.03507732007846275 1985 0.017751823058434694 1986 0.7601279986044442 1987 0.07703673496347756 1988 0.11290727060987103 1989 0.41114729083532603 1990 0.7714945765316045 1991 0.35170792219370456 1992 0.2582075249964238 1993 1.475745290427094 1994 0.5922764413201259 1995 0.13180084652197924 1996 0.7187084227623629 1997 0.648899188963676 1998 1.1846270454959011 1999 0.9329115875749435 2000 0.4464496607077496 2001 0.1830592320717599 2002 1.0818830712853316 2003 1.017691464928887 2004 0.5557956571799633 2005 0.706463711687072 2006 1.2154077372454295 2007 0.24960495937319266 2008 0.2427573268371763 2009 0.7507861977857957 2010 0.6360754402543294 2011 -0.0805732541711497 2012 0.8673273965165305 2013 0.05848971789164804 2014 0.9403778103817392