Year % of GNI 1970 0.18612066653846787 1971 0.23433539936802114 1972 0.2897416706325331 1973 0.33894979346822984 1974 1.5279264951648608 1975 1.300052116812606 1976 1.372750223523659 1977 1.3546360573642386 1978 1.1370086892986249 1979 2.3511732317830463 1980 2.58520067190929 1981 1.9981317859626027 1982 1.0498738282366826 1983 1.237772491500728 1984 1.1855416808605719 1985 1.0456348929053891 1986 0.39163774835251774 1987 0.49682377248843795 1988 0.42801520381072067 1989 0.575536852545569 1990 0.7034560597452336 1991 0.42014245193032695 1992 0.417890727429791 1993 0.42845280624051535 1994 0.3603476194980537 1995 0.3504904660684061 1996 0.4897100274433405 1997 0.435452082208163 1998 0.22196981645791003 1999 0.33788391493340275 2000 0.7479293730472983 2001 0.6246614545346711 2002 0.529022571911005 2003 0.6963617883003395 2004 0.7733710977894368 2005 1.018738616946051 2006 0.940598875030122 2007 0.8979195812851264 2008 1.3006657450289887 2009 0.651939180711268 2010 0.7373857731036411 2011 1.0724293307615886 2012 1.0233677580101668 2013 0.9877436728021117 2014 0.8993544382382908 2015 0.4499637945687721 2016 0.38029477784343857 2017 0.4909345664964197 2018 0.7321271235556527 2019 0.6599501966129356 2020 0.3573176361625921 2021 0.8235417890657271