Year % of GNI 1970 0.4164516954739234 1971 0.40267955522566035 1972 0.4610790780532405 1973 0.613190327724231 1974 2.4610044427595725 1975 2.1149291425723153 1976 1.993506183685936 1977 2.018433228626832 1978 1.8109669724831052 1979 3.768866824008859 1980 4.186309642115001 1981 2.6793134455077485 1982 1.3027020128282212 1983 1.8083869192462936 1984 1.63445047467335 1985 1.4578002236570446 1986 0.5381121517431515 1987 0.8565503000197653 1988 0.6595106020362892 1989 0.7075562857052629 1990 0.804148078907732 1991 0.5748233859982304 1992 0.6392286930979181 1993 0.6461520030816802 1994 0.5475449611471603 1995 0.4923855374180895 1996 0.6752632658983663 1997 0.5602907879270776 1998 0.325706448628613 1999 0.428263221149335 2000 0.8773267465107685 2001 0.6548559631984272 2002 0.47993659558370355 2003 0.836796992182865 2004 0.8731176247643343 2005 1.153736058396161 2006 0.7543804114702212 2007 0.7250780040101626 2008 1.0984907006695153 2009 0.32849637904486023 2010 0.4052958438261063 2011 0.5223328293966744 2012 0.31582500001765995 2013 0.3500956425261862 2014 0.36312911397557457 2015 0.05260921209996122 2016 0.11821682886779233 2017 0.1763367590405484 2018 0.29804882931947474 2019 0.31992199692067624 2020 0.17488292385274348 2021 0.9199349099614261