Year % of GNI 1970 4.334953424303004 1971 2.0807124522172202 1972 2.337209443385088 1973 2.2744957944312403 1974 2.54005648378933 1975 2.332087883328889 1976 3.7931843732426564 1977 2.561765758445558 1978 4.653605352135137 1979 5.003959467522202 1980 7.084233160169054 1981 6.9890483048323615 1982 3.227619260645964 1983 3.5011937201322687 1984 4.182245887089422 1985 2.875487424641422 1986 13.446348883777295 1987 2.6029650981144736 1988 1.8533794534682926 1989 0.8429485781784728 1990 3.670301238763154 1991 2.137489614288645 1992 5.727718424887559 1993 4.318965695935876 1994 19.906183435675892 1995 10.132126640620816 1996 7.225105998893606 1997 1.8828379577788596 1998 4.016635752259812 1999 4.739380435926606 2000 7.741875114786911 2001 9.057488032566747 2002 1.2837966032150248 2003 1.3875661293624046 2004 1.564534930099165 2005 1.138340295672187 2006 1.5357843117904517 2007 0.47136232485341595 2008 0.21887910230085536 2009 0.2981334361004394 2010 0.4455628413757613 2011 0.6141395272932157 2012 0.6037672545413524 2013 0.560761060274124 2014 0.7192800179327259 2015 1.2266576023215665 2016 0.9788237628863562 2017 1.5694314104730827 2018 1.512606110235596 2019 1.8473020622838314 2020 2.421924345425699 2021 2.421505816137351 2022 2.3194669958012732