Year % of GNI 1970 0.28156699668951574 1971 0.266133801897452 1972 0.28238164032692503 1973 0.36156472972888876 1974 1.2302361477446224 1975 1.0831791719006003 1976 1.0664953608536467 1977 1.056582659396481 1978 0.8955552732270521 1979 1.7765965290032306 1980 1.9921480154694091 1981 1.4934847608777295 1982 0.8855203941393588 1983 1.1874966072891457 1984 1.180191978838811 1985 1.092119387009939 1986 0.3910095689416355 1987 0.5290745361256152 1988 0.40588885932719604 1989 0.48224470355628285 1990 0.5390379368509101 1991 0.3437888037877129 1992 0.35288019126664005 1993 0.35981128817577784 1994 0.3201565062689604 1995 0.3110770124317892 1996 0.42135307124348326 1997 0.37089934201684044 1998 0.1966803986016209 1999 0.2970425500507357 2000 0.6155801750696553 2001 0.49221533135450535 2002 0.40966514303249635 2003 0.5475666743681019 2004 0.5958751215139778 2005 0.7823192494291195 2006 0.706588582028792 2007 0.6821354667421152 2008 0.9150033218530319 2009 0.4177061223326394 2010 0.5324285076755388 2011 0.7119644720496066 2012 0.5657282595258177 2013 0.5280877633158081 2014 0.4776039110796824 2015 0.1986864207848881 2016 0.19696462745772472 2017 0.2643497683416345 2018 0.3866580738568378 2019 0.34433076850021543 2020 0.25394786458173174 2021 0.8498776676427159