Year % of GNI 1975 1.3326903971744768 1976 21.34682363845345 1977 5.890885924096175 1978 6.894657641065488 1979 4.277925822966201 1980 4.460443314341811 1981 6.997966375682429 1982 12.319914454446337 1983 15.616316154479312 1984 14.452018200537639 1985 14.758177318161133 1986 11.833024884614856 1987 15.649951181039686 1988 26.554494528752098 1989 48.33276918333808 1990 49.52747810162754 1991 52.99781013991278 1992 66.43090774163443 1993 41.49750748386143 1994 42.44484828577004 1995 91.58331882446703 1996 38.911178670931804 1997 40.61566619845916 1998 43.95203621863166 1999 39.33262638988139 2000 49.956079002124746 2001 52.44353471850176 2002 31.883508505396797 2003 38.01426255104471 2004 30.210033003734033 2005 24.49013774840194 2006 15.815388450351769 2007 31.206582128409533 2008 20.46829413931787 2009 14.65686983470625 2010 26.46424290236724 2011 32.50894932102121 2012 22.191857607344158 2013 19.899386333821532 2014 13.73615732260354 2015 18.6102021021539 2016 15.908576615571155 2017 12.511936612788057 2018 13.534667995339483 2019 12.321847284284434 2020 19.352642225067708 2021 13.6891576292128 2022 9.604057229951044