Year % of GNI 1960 1.695734077557674 1961 2.017070528728569 1962 1.5746629660424158 1963 3.263923475345666 1964 3.928653070951995 1965 2.431769297351839 1966 1.698257254263538 1967 1.685325099261345 1968 1.4114939904317163 1969 1.3745147516526894 1970 2.6929173917665947 1971 2.586190857940936 1972 2.8229709017568068 1973 3.3268123408321277 1974 2.3539485678642214 1975 2.5333335695570325 1976 2.9497268380840618 1977 5.122106775408947 1978 4.36113986484895 1979 6.827488772709167 1980 7.698500916806536 1981 7.171649407693921 1982 7.360685441137489 1983 7.104826893226446 1984 6.001929322552449 1985 7.189110077429424 1986 9.129106518146529 1987 10.909879876932623 1988 10.524898256316217 1989 11.755355184716374 1990 9.812001837027042 1991 9.507455850116191 1992 11.379096472310165 1993 8.16240484986142 1994 9.418465923538529 1995 8.637787532012995 1996 7.315349306790915 1997 6.401033488210106 1998 6.32791543951952 1999 5.791730541721862 2000 5.644282823846777 2001 5.76796411225353 2002 5.535414460005493 2003 7.163806101792685 2004 5.925431944199225 2005 4.994955803551641 2006 4.965958166923996 2007 4.8023905075746915 2008 4.3524974005272945 2009 4.55795378208557 2010 4.7587674573046534 2011 3.4565414175711204 2012 3.521787680000385 2013 3.9143643188294033 2014 3.8318513239362897 2015 4.956246625791268 2016 4.284763719836183 2017 4.338694680672043 2018 4.357751325014898 2019 3.858390543058126 2020 5.200162402508405 2021 4.306000356855907 2022 2.916884015486931