Year % of GNI 1970 0.2700065210105259 1971 0.22800039616307854 1972 0.8100563947645658 1973 0.28964426571055846 1974 0.277844208692861 1975 0.4891913311971274 1976 0.6356721442836607 1977 0.563967497331778 1978 0.4799358528429341 1979 0.5437253831446563 1980 0.6693663431497339 1981 0.5463352803577096 1982 0.5527444872928177 1983 0.6384350361456529 1984 1.6226492849465362 1985 1.8704988359899046 1986 2.431068223418914 1987 3.5992857382345393 1988 3.8024652344844165 1989 3.5247284334823834 1990 3.554480843582307 1991 3.2454461328793096 1992 3.3333641986979883 1993 3.3250201164877256 1994 3.7375184921472258 1995 2.909844099589951 1996 2.5254382887592115 1997 2.202571397524717 1998 2.3644128521424044 1999 2.568041658403368 2000 1.5740957997681149 2001 1.9271763804512576 2002 2.291937695622233 2003 3.655841931112458 2004 6.642612652468709 2005 3.557427502508989 2006 1.48101946718893 2007 1.255310932683441 2008 1.1627309598718496 2009 0.6852036955667602 2010 0.19100466292365859 2011 0.3227248785856619 2012 0.5552609556815038 2013 0.8721772444564679 2014 0.35720869463413146 2015 0.3031767296968406 2016 0.5779228234087189 2017 0.3907000120984204 2018 0.45812356610383137 2019 0.7908512468915404 2020 0.530787586210514 2021 0.6713422821623567 2022 0.7628305624187111