Year % of GNI 1960 6.327729992565674 1961 5.885244989097886 1962 8.847999769421374 1963 5.249999836087227 1964 5.569230850209238 1965 5.4905921871051 1966 9.564290402821795 1967 8.416895707028436 1968 9.337978073675986 1969 9.35346908200675 1970 9.881817808276878 1971 11.271473627196752 1972 12.204033080262185 1973 13.473264633500737 1974 15.215549190250584 1975 15.893884125281044 1976 12.419291019742476 1977 12.782578290473404 1978 13.787867957267533 1979 13.302469625324301 1980 12.26436672914861 1981 10.825218612344974 1982 10.594287428201369 1983 10.023503027391047 1984 10.247323040982439 1985 10.347242688979001 1986 10.601318603649798 1987 11.150698512229388 1988 10.28302073552068 1989 9.42031127789183 1990 11.343267967450263 1991 18.897167012215746 1992 17.28426756147819 1993 18.090546042358525 1994 94.9460335773766 1995 53.48062193251747 1996 34.004275839624 1997 12.518948776245045 1998 17.772342982898074 1999 17.38877405755374 2000 15.653488419312787 2001 15.669959510899453 2002 18.468348579209547 2003 15.938839909340466 2004 20.960651913248345 2005 19.702310069691794 2006 18.397951470084543 2007 15.272878830629486 2008 15.463482097777101 2009 14.544420172210138 2010 17.00853555625292 2011 18.49972921568479 2012 11.6333469622031 2013 14.12792562321989 2014 12.85600014209887 2015 12.99312725168866 2016 13.602611490733063 2017 13.74037988327372 2018 12.052514877844676 2019 11.681306603623637 2020 16.352030071233383 2021 12.268718987052543 2022 8.260170408648188