Year % of GNI 1970 0.5817841461154845 1971 0.6232914636516405 1972 0.6008503751496457 1973 1.348884142262506 1974 4.258403627262286 1975 4.433742665481582 1976 4.0888361048418 1977 5.083654903986535 1978 4.459595703441316 1979 8.90675958750702 1980 0.9131061168968401 1981 0.552936570930749 1982 0.5388737979480426 1983 0.603650860135993 1984 0.587810096661463 1985 1.0137856143745791 1986 0.9053129315181834 1987 1.006123487873086 1988 0.7963057484653164 1989 1.1585042880119223 1990 1.796164385746365 1991 1.050840902437884 1992 1.011943306155856 1993 0.790490387232653 1994 0.8464833140762049 1995 0.9318516494247495 1996 1.0745704123424098 1997 1.02454488631686 1998 0.8539318919229825 1999 1.2016207712252422 2000 1.4075137480131483 2001 1.4101921382105733 2002 1.616648814123315 2003 1.6191172641558678 2004 1.8137760073665414 2005 2.1552002630456544 2006 2.024520033495539 2007 1.6155452747417731 2008 1.633640312317348 2009 1.2679147415566372 2010 1.4964594036648933 2011 1.7967107822119006 2012 1.878313674914376 2013 1.6319019127825094 2014 1.4803025152151832 2015 0.8440921693066523 2016 0.6285670914415803 2017 0.7749574690092274 2018 0.9626699287592014 2019 1.016911616739245 2020 0.8837263657102485 2021 1.0670335939369893