Year % of GNI 1970 0.9428729573833512 1971 1.37241803916676 1972 2.8178832495203485 1973 3.4941238131174197 1974 5.41426073107533 1975 3.049710393395114 1976 4.52086894818921 1977 5.366678108609061 1978 6.04593894630673 1979 8.929144828580153 1980 9.803254819459896 1981 9.239783152617443 1982 10.13344852749191 1983 9.75783113443065 1984 9.565726739637105 1985 8.643458986180374 1986 8.2743371422801 1987 8.31277966199344 1988 11.094781334815302 1989 12.799634511162974 1990 14.33167736061841 1991 20.878955528574693 1992 19.40796300320653 1993 18.029066811018083 1994 11.901575656823669 1995 10.079048501792132 1996 8.988947372417408 1997 8.621360538172176 1998 9.921933305789546 1999 10.244832215274828 2000 8.201672405984647 2001 7.173063046104076 2002 6.326597701499311 2003 5.3850839866272375 2004 5.772834056544104 2005 4.9606392644473205 2006 11.121229710268517 2007 0.5336234722598187 2008 0.5704175230438147 2009 0.3102451290940275 2010 0.21849933771826371 2011 0.21829393281580872 2012 0.2953953651223792 2013 0.13245497910709222 2014 0.10170038160092906 2015 0.10233987856366258 2016 0.09236714224484072 2017 0.08858220811529628 2018 0.07746379723949573 2019 0.060948445257511474 2020 0.061263675071525955 2021 0.066953893835666 2022 0.05687416940944697