Year % of GNI 1970 3.1567072946056096 1971 3.0332128025952714 1972 3.1475312821092483 1973 3.22052131215054 1974 3.509120130940658 1975 3.7359360190389 1976 3.305959702200488 1977 3.2883996895780454 1978 7.419780695388107 1979 6.956536542619336 1980 4.804479324811816 1981 9.15669692785363 1982 6.914767175710224 1983 22.370975723498105 1984 10.268155794689099 1985 13.074871642994237 1986 9.839240535611706 1987 4.801271087187059 1988 6.690823230414565 1989 5.889846436147272 1990 8.14645413697986 1991 5.021648800726854 1992 5.7949112215374114 1993 4.846594929148816 1994 3.8713812808402555 1995 4.773051390826371 1996 4.523687571038875 1997 4.099899523805798 1998 3.5837704423914514 1999 3.5559894971471233 2000 3.948468231835742 2001 4.10581363238968 2002 3.829402363462494 2003 4.482244709345312 2004 3.431592434084399 2005 2.439352200049841 2006 1.6831561593888902 2007 1.45625057038693 2008 3.6234161102456435 2009 2.6611978450110456 2010 1.5204354449833255 2011 2.0342471727709857 2012 2.0622244351641124 2013 2.8082236727806653 2014 2.2904603472323615 2015 2.1110074243929087 2016 1.8515274503062045 2017 1.9574074680916438 2018 2.681660488516779 2019 2.88404775510584 2020 2.7600033411531553 2021 2.455429251350815 2022 1.8058683798231205