Year % of GNI 1970 0.581833621872759 1971 0.692242246159878 1972 0.735955032022949 1973 0.993121772618052 1974 0.593565883030077 1975 0.675488848030299 1976 0.543768453430513 1977 0.594504795769752 1978 0.595352626787034 1979 0.884454512102292 1980 0.738340588075765 1981 0.557162853883919 1982 0.851769061575467 1983 0.665531696337736 1984 0.446197682222768 1985 0.486410204518642 1986 0.644391860225739 1987 0.924403588522912 1988 0.944854737787683 1989 1.08108767006709 1990 1.04148403406485 1991 0.854501550020651 1992 0.914165837323235 1993 0.413260586282941 1994 0.869351420425343 1995 1.22954446969813 1996 1.18533554621028 1997 0.982809642551061 1998 0.873014736423848 1999 0.37320221512419 2000 0.379085855745141 2001 0.309468104140233 2002 0.26148504429596 2003 0.250365944948686 2004 0.242430058740412 2005 0.218614509638123 2006 0.274681285183794 2007 0.307013870737252 2008 0.274048495973192 2009 0.283043879396944 2010 0.442619710008458 2011 0 2012 0 2013 0 2014 0 2015 0 2016 0 2017 0 2018 0 2019 0 2020 0 2021 0