Year % of GNI 1970 0.3507601895343246 1971 1.7956972294370266 1972 3.4020089292216276 1973 0.33798866887187956 1974 0.8572345873534355 1975 0.5245372687616062 1976 0.6356721442836607 1977 0.5646195425550399 1978 1.739548099643969 1979 0.551086201613286 1980 0.9353568871499653 1981 0.8186442465602186 1982 0.8113866662983426 1983 1.348196173531201 1984 2.4359177365315827 1985 2.3169263415711567 1986 2.965671568327845 1987 4.239991276221082 1988 4.3722317965844 1989 3.902812095073894 1990 3.7950548775882895 1991 3.396394568262706 1992 3.704148772519136 1993 3.8849812991296617 1994 4.479856625836764 1995 3.909906943686741 1996 3.619339684987869 1997 3.0636145914918376 1998 3.4472401503276657 1999 3.7474745435021184 2000 2.5586884641320933 2001 2.7159594776421567 2002 2.9156271253602757 2003 3.8600446048523382 2004 9.950907385296613 2005 3.639533710937585 2006 1.579396051102787 2007 1.347776776477887 2008 1.2211577765108885 2009 1.1259254980529143 2010 0.2164388502972933 2011 0.4299828701703067 2012 0.8907445081619981 2013 1.3141797789245215 2014 0.9782441751052938 2015 0.8675390847999578 2016 1.2637970863591121 2017 1.0025814585077213 2018 1.1216796900128256 2019 1.4589314215369071 2020 1.3763873974964167 2021 1.0693526930251844 2022 0.9821666200198873