Year % of GNI 1970 0.24710854147912956 1971 0.29393507034522026 1972 0.3590163281878322 1973 0.4062250466616851 1974 2.182020078392528 1975 1.96175165049188 1976 1.8790837134760925 1977 1.8997860477468205 1978 1.7527153254740582 1979 3.6646057837736508 1980 4.0567250968222375 1981 2.5967525771998545 1982 1.2544716539722212 1983 1.7549324504126078 1984 1.5927093511570234 1985 1.4197379707010498 1986 0.5110830176863445 1987 0.8133083195709442 1988 0.5212421396730363 1989 0.6232790969768448 1990 0.7382671336141914 1991 0.5261972345596478 1992 0.58992976374716 1993 0.6078085150077476 1994 0.49758036573413766 1995 0.4312800705858981 1996 0.6301761096219719 1997 0.5247400722934478 1998 0.3031820002286857 1999 0.4086744372549852 2000 0.8608508438362028 2001 0.6439850001539158 2002 0.4698520314127476 2003 0.8212514170484473 2004 0.8448645611804609 2005 1.122526301248535 2006 0.6777853058784277 2007 0.6338491716886259 2008 1.0077701449468184 2009 0.27606088216319075 2010 0.2628676655909928 2011 0.3223822724492383 2012 0.18354942290039636 2013 0.2496478150162884 2014 0.2817991926983161 2015 0.021832777595318736 2016 0.08601445236561613 2017 0.1405400587415058 2018 0.2695597199193583 2019 0.30000378994855675 2020 0.15173438568798286 2021 0.8027625982797458