Year % of GNI 1976 25.3126043954087 1977 41.1705668642025 1978 43.0389514296825 1979 23.3440842686658 1980 28.8668778851517 1981 17.5306842205667 1982 4.91008335159098 1983 12.0929340170934 1984 24.7062228624769 1985 27.3365525579887 1986 26.1627416300848 1987 29.4279596413226 1988 29.3252878540661 1989 22.7705267371748 1990 13.9293733483197 1991 9.60652657754209 1992 11.6598538194709 1993 11.4557865650336 1994 16.4130222992604 1995 12.2098662776046 1996 19.5768011651387 1997 9.63613204062372 1998 5.97797204245308 1999 12.0867777179913 2000 7.375799545288 2001 7.01758799543226 2002 8.04297369312314 2003 7.22864919991242 2006 10.7868515345652 2007 7.65588411944535 2008 -3.56335135334482 2009 2.3162840719757 2010 7.23309157674799 2011 1.78670905783942 2012 0.349338891210269 2013 12.6471021774148 2014 -4.64950418641889 2015 1.27961167992764 2016 -2.80897664290166 2017 -1.10891008822605 2018 -2.36021214078367 2019 -1.73378426408337 2020 -5.36470228441915 2021 -3.82186234580297