Year % of GNI 1970 0.012267211934620504 1971 0.023914947410257213 1972 0.04856725842056683 1973 0.1260987846195242 1974 0.8742072636720617 1975 1.160795132855206 1976 1.3142522377361512 1977 1.3517170200198998 1978 1.1002450526715162 1979 2.2352288278112904 1980 2.3513385686107307 1981 1.9309208135574745 1982 1.472263103978732 1983 1.3707457139814814 1984 1.3306533971939787 1985 1.3378491791858198 1986 0.5419072309001723 1987 0.5628794357116118 1988 0.3910736542938079 1989 0.5946391084391177 1990 0.7906591452368003 1991 0.44733925659591645 1992 0.4234789041976415 1993 0.3631819310571065 1994 0.2917724365525576 1995 0.3037731034277563 1996 0.38856933824888734 1997 0.3671898622146762 1998 0.22257501979965405 1999 0.3105712224791435 2000 0.582136476828512 2001 0.5386146570410157 2002 0.48692707767717885 2003 0.5196737732154457 2004 0.9038587663727887 2005 1.0870706802308865 2006 1.1698379055800188 2007 1.1610831301847164 2008 1.9244350035812792 2009 0.8757162723159179 2010 1.257419907110546 2011 1.668309798732689 2012 1.1694490987544826 2013 0.9760107511418176 2014 0.8723579776855495 2015 0.48760161272097924 2016 0.39855886799528156 2017 0.49167785279489495 2018 0.6315335035673616 2019 0.5315277627311845 2020 0.34999610341869275 2021 0.6766130431488623