Year % of GNI 1970 17.2428721261651 1971 25.35999488985746 1972 45.45763423602677 1973 47.02016937025296 1974 43.324102183912814 1975 41.664567745878905 1976 44.715568231091076 1977 41.08763305396453 1978 21.26284063059999 1979 15.858444260801562 1980 13.37490685952392 1981 14.355681452774935 1982 19.62337197060173 1983 20.141971197863896 1984 23.688775997602146 1985 33.943921633933144 1986 31.74821388970569 1987 31.426449006454288 1988 21.580055569127314 1989 19.51687582199975 1990 15.005428914722474 1991 15.29200190763616 1992 14.237381939046093 1993 14.908384754742727 1994 17.35846614892901 1995 15.264521778969595 1996 13.636013730523173 1997 11.788195540179899 1998 10.838355027113565 1999 9.770031029368061 2000 8.32268597800998 2001 7.479765631722731 2002 10.364561132319603 2003 7.565283317139021 2004 6.449163418713669 2005 5.069580189936442 2006 3.8950056093499095 2007 4.168161331503108 2008 4.398732005828176 2009 16.3853962429161 2010 14.875274483652188 2011 15.950858718772821 2012 17.835869674538632 2013 17.533597083697302 2014 16.665283785700062 2015 17.103827459074868 2016 15.417846685725161 2017 11.815157629129919 2018 11.535849586146945 2019 9.874517614160293 2020 10.66784271211271 2021 10.678510644266579 2022 9.95594526346024