Year % of GNI 1960 3.5631008016345915 1961 3.223478927541125 1962 0.8877478161277927 1963 2.2895257929210646 1964 2.148778629477945 1965 2.1198153720187807 1966 2.0111682686014256 1967 2.5145285757468447 1968 2.072125349430502 1969 2.581804623775125 1970 2.266792170076417 1971 2.466875825866169 1972 1.9689065141788524 1973 1.498585401026714 1974 1.6566805124919968 1975 1.1018232605880962 1976 1.3190806179790717 1977 1.53563089962595 1978 1.179846874803148 1979 0.719261391135996 1980 0.6591174331309193 1981 0.753918253079847 1982 1.3188067460156738 1983 0.7811093054107326 1984 0.9322642877084116 1985 1.070355953227675 1986 1.511074369523084 1987 1.6359263092675287 1988 1.640334645064006 1989 2.088988240970415 1990 1.0849844295791455 1991 2.17559427666974 1992 1.1271997141618977 1993 1.5352664538406324 1994 1.2818963327183952 1995 1.485533252283011 1996 0.7731189722217414 1997 0.8973759639954014 1998 0.7129775182939616 1999 0.9138630948409545 2000 1.0357643831681476 2001 0.9097378609231224 2002 1.0001192700094945 2003 1.0010045150485762 2004 0.4141521898032922 2005 0.6794610188884452 2006 0.569756224604925 2007 0.7244705744076019 2008 0.5979390605306114 2009 0.7704319010210291 2010 0.43490249490298905 2011 0.24748932934765583 2012 0.328559103445009 2013 0.3543823134600049 2014 0.16082161868073172 2015 0.17297556329576586 2016 0.254628653327451 2017 0.37919961096804317 2018 0.4239859396022073 2019 0.34663835436975876 2020 0.8904769126860534 2021 0.4541427721454456 2022 0.23829283783230118