Year % of GNI 1970 2.831278156375628 1971 2.950416260113787 1972 3.219347722803435 1973 2.9730601587220558 1974 3.8496128013981696 1975 3.4602977545761004 1976 3.9962905228502112 1977 4.433725137103204 1978 5.207960875172769 1979 6.775668574822186 1980 8.988392839095596 1981 11.619101609381996 1982 13.494101051169336 1983 12.843752808223426 1984 10.17555011610883 1985 9.443429145577662 1986 9.454092331295904 1987 6.276981825840414 1988 4.91087851661826 1989 4.731148694427202 1990 5.689951805811759 1991 6.776306138043443 1992 5.699773749247748 1993 5.898130934626287 1994 9.18974844285447 1995 7.700901584139992 1996 7.574785432607273 1997 5.465066662052112 1998 7.36887562005822 1999 8.446041724548511 2000 6.886800473311484 2001 3.0548169666096356 2002 4.652069661810336 2003 2.304714229890792 2004 0.6416108193826341 2005 0.1431536303081786 2006 0.09528067965045865 2007 0.7824539942990798 2008 3.2855884356727176 2009 3.3017388870617435 2010 2.0699843425373237 2011 1.6975947590699414 2012 1.1553961977727218 2013 1.7729079997764845 2014 1.238725668118605 2015 0.8884063847768353 2016 2.198431522039591 2017 3.4273420919467994 2018 1.9486007389251807 2019 4.196322932636646 2020 3.1010657496379284 2021 1.824567415141242 2022 2.4238811211294364