Year % of GNI 1970 1.3063555539691607 1971 1.673743793347488 1972 1.6687622656023833 1973 1.9942265795019658 1974 1.8181304603330068 1975 1.9644671598173513 1976 2.6338256059622327 1977 3.0263911598372744 1978 2.2158747300801718 1979 3.308516839432834 1980 2.7408919530109035 1981 3.185915043853698 1982 3.8704935449624776 1983 3.07674501741039 1984 2.9104971939593534 1985 3.4045436588721154 1986 3.6448036797487537 1987 4.155342184495043 1988 5.126086200484329 1989 2.6170452175555337 1990 6.916792745430253 1991 6.672971327265804 1992 7.916095982362223 1993 7.54213711190925 1994 9.707431676407197 1995 9.391858127407568 1996 10.161649440767787 1997 8.206182991991664 1998 7.042466855925242 1999 4.858762582434668 2000 2.438449452278655 2001 1.7228250028006236 2002 2.2739833038591795 2003 2.4588915701461653 2004 2.4665080766488585 2005 2.197741707085438 2006 1.5051005681449272 2007 1.3189055916522607 2008 0.7673374263540428 2009 1.1383195373113995 2010 0.7233369094335934 2011 0.7449998932818175 2012 0.7630566068460967 2013 1.1295206127795379 2014 1.606058231901392 2015 1.6952659255557274 2016 1.9616003529621444 2017 1.9459690062358788 2018 2.3608512730637505 2019 2.5380381978416096 2020 5.180898948765461 2021 2.1189922712695255 2022 2.409536956725733