Year % of GDP 1974 0 1975 0 1976 0 1977 0 1978 0 1979 0 1980 0 1981 0 1982 0 1983 0 1984 1.2596063148237383E-05 1985 1.15894690485878E-05 1986 1.020203524963772E-05 1992 0.21960437534371008 1993 0.14452505763418694 1994 0.05473526849245857 1995 0.08880272599513153 1996 0.121561288474514 1997 0.4086796101954893 1998 0.23462403987434183 1999 0.4083461434251406 2000 0.4902328883962284 2001 0.4198647373721491 2002 0.5809521721655111 2003 1.121615333079546 2004 1.2772737805045926 2005 1.4271526707459397 2006 2.0504458555276717 2007 2.3002033645646174 2008 1.944748139642315 2009 1.9486914163719833 2010 2.018794133251622 2011 1.9149046453022518 2012 1.368698228875735 2013 1.894456560708065 2014 1.750747677868162 2015 1.1431291845921252 2016 1.3620580838804157 2017 1.2386956457628 2018 0.9451997907284232 2019 0.8500446123608071 2020 0.47033864154868305 2021 1.9650879610370773 2022 0.08123475053668504