Year % of GNI 1970 0.7263654370692777 1971 0.680889526137965 1972 0.6455996504745108 1973 1.4533038399661686 1974 0.6697954939591959 1975 0.7079592472629868 1976 0.8365162374768118 1977 0.547758672945493 1978 0.9224688709023272 1979 1.2886174399664478 1980 4.638327034214078 1981 5.156020612876444 1982 2.9376201097062102 1983 3.9209168198180406 1984 3.6052741109132804 1985 4.477005657334556 1986 4.42391024112605 1987 2.5696326096448554 1988 3.1238113557501257 1989 3.604468268282103 1990 3.421922469522188 1991 4.511445532227346 1992 4.087006235151119 1993 4.352247362845824 1994 3.785363970506232 1995 2.374382338547644 1996 2.4690837867254443 1997 2.573506033066554 1998 2.3312816868420176 1999 2.211911172034626 2000 1.2431949220741099 2001 0.9001851848129316 2002 1.1787115151162024 2003 1.4044550495911645 2004 1.3387260948875113 2005 1.9154642768601824 2006 1.026367335276012 2007 0.5706777871922901 2008 0.5233442480827024 2009 0.29052659853978274 2010 0.24204307155011084 2011 0.23187414097763184 2012 0.25516916117982585 2013 0.30891580124186835 2014 0.6476478362502609 2015 0.2984778886477139 2016 2.9431545268045007 2017 0.6257356190172327 2018 1.653212199039265 2019 0.8708658821860102 2020 1.880284829473609 2021 1.8959074630804293 2022 4.32454105715733