Year % of GNI 1970 1.7454632350471915 1971 1.8628456865373326 1972 1.9335027853558027 1973 2.110261026697665 1974 1.452394113057568 1975 1.692869146091934 1976 2.1213342229048555 1977 2.309650294533878 1978 2.4040874006596464 1979 2.782003724953366 1980 3.8221376303270413 1981 3.9707578926823377 1982 3.8244674385751742 1983 3.4416418998478706 1984 3.3414490352282185 1985 3.2615673558600426 1986 4.651302531377008 1987 4.515389893361781 1988 4.177077979484857 1989 3.669514069882658 1990 3.325581531000227 1991 3.2210617360438416 1992 2.9868801080693044 1993 2.7576377052469 1994 3.1444726618229724 1995 4.540865723476272 1996 3.322396529077677 1997 3.0586225264216362 1998 3.1152318597223436 1999 3.0474427899256984 2000 2.6762635694927632 2001 2.426443320128162 2002 2.520117088039483 2003 2.1688918286803633 2004 1.9499214889396321 2005 1.6283522012202218 2006 1.4999270390131658 2007 1.6666567655691815 2008 1.5640465407033057 2009 1.5455185362296537 2010 1.3636106759496083 2011 1.4300368858946644 2012 1.7733645396348217 2013 1.9745412951558161 2014 2.403866280831902 2015 2.0404352952129896 2016 2.3669480737576416 2017 2.6326249041779124 2018 2.876603623938917 2019 3.6158726251082336 2020 2.6606759394642254 2021 3.3409141328441425 2022 2.946775733164832