Year % of GDP 1971 0 1972 0 1973 0 1974 0 1975 0 1976 0 1977 0 1978 0 1979 0 1980 0 1981 0 1982 0 1983 0 1984 0 1985 0 1986 0 1987 0 1988 0 1989 0 1990 0 1991 0 1992 0 1993 0 1994 0 1995 0 1996 0 1997 0 1998 0 1999 0 2000 0 2001 0 2002 0 2003 0 2004 0 2005 0.000219094740218199 2006 0.00333182989614928 2007 0.00646001510314827 2008 0.0247658429846694 2009 0.0062081095239493 2010 0.0380589445820771 2011 0.153787333426844 2012 0.142898804490871 2013 0.11912189370539 2014 0.104388992582944 2015 0.0340084198311141 2016 0.0289302386437418 2017 0 2018 0 2019 0 2020 0 2021 0