Year % of GNI 1960 0.009632007256634208 1961 0.9852197666141326 1962 1.5584609786048764 1963 1.508944818973663 1964 4.252809348261108 1965 4.4184167633914395 1966 4.425622819152829 1967 4.387106400233799 1968 4.777193940245062 1969 5.01131289995373 1970 4.731200433079217 1971 6.026594177975427 1972 5.2250628129473435 1973 6.955931677909106 1974 11.954477837367227 1975 7.650502509131956 1976 6.96379500123617 1977 8.66748253480161 1978 10.997019949306557 1979 8.456648790952375 1980 3.3707230222655196 1981 6.818873425472427 1982 7.707665123213197 1983 10.575947807579201 1984 12.22112368513783 1985 17.424188101844745 1986 15.137567601613283 1987 17.505177086665867 1988 17.743100408874263 1989 17.593112592447266 1990 18.04890631480148 1991 13.992640935901852 1992 12.559179148916108 1993 15.701998329906635 1994 18.113947298445737 1995 16.3120755758355 1996 18.519386142714886 1997 14.917824834444843 1998 10.001625878726982 1999 12.258572168554423 2000 9.579168927032713 2001 11.171033650245736 2002 11.83542669742282 2003 11.030771859113683 2004 8.909783310898277 2005 6.8707813575814365 2006 4.676557500373576 2007 4.598499795818307 2008 5.397707976481943 2009 6.219299489797775 2010 4.753112720727999 2011 3.860113695896662 2012 3.93720768714677 2013 3.7156450903697236 2014 2.9387546855872957 2015 5.711458931986732 2016 6.300232950269131 2017 6.575606135622647 2018 7.90337267982096 2019 5.761781510508393 2020 9.824201759976633 2021 6.293697973841926 2022 5.683502921218681