Year % of GNI 1973 0.49422279883192116 1974 0.37801111471039933 1975 0.5560959471413212 1976 0.6752384565689504 1977 2.4480374556327473 1978 1.7625738437329943 1979 0.6424360956248084 1980 0.6803487464913733 1981 0.5257911498322937 1982 0.8551905416660313 1983 0.6056027788028194 1984 0.49730469881971334 1985 0.3063262145048722 1986 0.5505632519692819 1987 0.4648419027719835 1988 0.4613153824148326 1989 0.4276917547950255 1990 0.473938237685074 1991 0.46589107998083534 1992 0.5161390880650957 1993 0.441659834512489 1994 0.43234272964909004 1995 0.496535705381161 1996 0.428134125746622 1997 0.36563496949458896 1998 0.378209194539396 1999 0.437725475898164 2000 0.588788273067458 2001 0.612299974414246 2002 0.7371504701563789 2003 0.70093505989345 2004 0.762644904954118 2005 0.871723232385277 2006 1.077387537129347 2007 0.920730669578566 2008 0.8813014286580519 2009 0.84364862567031 2010 1.049267655243711 2011 1.169091947838197 2012 1.191139484206508 2013 0.906559975487132 2014 0.847423437968158 2015 0.761525249064301 2016 0.625475019121917 2017 0.624478320059055 2018 0.575874618489167 2019 0.5738186781484917 2020 0.5041553086816919 2021 0.5362234815122062