Year % of GNI 1970 0.05179825410673637 1971 0.06447077333504445 1972 0.06326681938816175 1973 0.056055660810038446 1974 0.15708728838321245 1975 0.2724498753477731 1976 0.3093396508333958 1977 0.31419225425243724 1978 0.28003831056765005 1979 0.49238579767897517 1980 0.5869918803926254 1981 0.6219650284163386 1982 0.4981084329898794 1983 0.6032634976724159 1984 0.6599570186729387 1985 0.6667394952648179 1986 0.24043325418159153 1987 0.2466386696026802 1988 0.4375926119491741 1989 0.6454701868454692 1990 0.7086356417238265 1991 0.34487256561525503 1992 0.29441989676386193 1993 0.3511876908817255 1994 0.3054830478858134 1995 0.34389545756866063 1996 0.4373743386110128 1997 0.3857702481735485 1998 0.10089353900944936 1999 0.2672217648017085 2000 0.7136520813492041 2001 0.6853415794844714 2002 0.6240923639961287 2003 0.6137576542112765 2004 0.6980726956273192 2005 0.8818045160849803 2006 1.0215883377603827 2007 0.9338825445185303 2008 1.3486519427546093 2009 0.8364772443911016 2010 0.9064005053768387 2011 1.293889975116737 2012 1.2707732910276892 2013 1.143178494388724 2014 0.9870729782064084 2015 0.559493428809362 2016 0.4146471029721697 2017 0.589257109156831 2018 0.8982229084914712 2019 0.7673552225756075 2020 0.3824804547317176 2021 1.0103863142756782