Year % of GNI 1976 10.3347276222657 1977 8.00737144146035 1978 7.54284723344922 1979 6.8596361714118 1980 5.94613742853534 1981 2.2690122243219 1982 -0.0643818635238894 1983 4.57116144573239 1984 4.89575218877798 1985 3.73497212190637 1986 -3.11520115708956 1987 -1.6303932432864 1988 -0.633553131619815 1989 1.78173429079429 1990 3.31766643501877 1991 2.87227221442727 1992 2.31906491964768 1993 1.52680249805879 1994 4.19584363731034 1995 5.77093354075091 1996 7.01363006004417 1997 6.90190347162527 1998 6.2657268404979 1999 2.94706125396919 2000 2.60139128392227 2001 2.67309589750758 2002 3.83254200642078 2003 5.72567009874657 2004 8.14613968045502 2005 11.062911406943 2006 17.9876936161739 2007 20.3895712615194 2008 21.5048343687821 2009 14.8687043189969 2010 17.108927765103 2011 18.7753779179031 2012 18.3902139830243 2013 16.853025494453 2014 12.9819373647748 2015 5.20118473839707 2016 5.48781658158243 2017 6.23096712270835 2018 5.45570510556204 2019 2.93449085425119 2020 0.74106303773373 2021 1.73248907279224