Year % of GNI 1970 0.9428729573833512 1971 1.37241803916676 1972 2.8178832495203485 1973 3.4941238131174197 1974 5.41426073107533 1975 3.049710393395114 1976 4.52086894818921 1977 5.920176575193679 1978 6.7332255266180905 1979 9.680628244312867 1980 10.089836330215475 1981 10.193777264076344 1982 10.559197832736638 1983 10.0471344810464 1984 9.836778599005855 1985 8.870434877586362 1986 8.332402583035016 1987 8.413015672341293 1988 11.575426815762292 1989 13.076399291649054 1990 14.734596356458917 1991 21.246489214651934 1992 20.357459772211186 1993 18.872534297737374 1994 12.53818008954107 1995 10.74039517184144 1996 9.4946516963908 1997 9.613252424965733 1998 11.109162807693842 1999 11.224307169188585 2000 8.590959552105062 2001 7.570882820513974 2002 7.026510090310246 2003 6.065927688618837 2004 6.497391660792879 2005 5.843227510077063 2006 11.31351277136618 2007 0.9721403497624702 2008 0.6953809439875696 2009 0.707534448668301 2010 0.3805183755610643 2011 0.2953258424395091 2012 0.3802673831571075 2013 0.2376725891571357 2014 0.12774401729927504 2015 0.37633988777016425 2016 0.19858864186158182 2017 0.12768123476336693 2018 0.11406381820290815 2019 0.10272114138063947 2020 0.10795154318429065 2021 0.10524284223558773 2022 0.13962972770014864