Year % of GNI 1970 0.9763945536445537 1971 1.4534051451322014 1972 0.9582635087607112 1973 1.623651384058784 1974 1.661572073176713 1975 3.12196562414765 1976 1.7349826187622084 1977 2.5591264478878757 1978 1.1588985427612757 1979 1.1373199590243035 1980 1.3481894568784656 1981 1.5869764630842345 1982 2.239168371951219 1983 4.807559358029599 1984 5.898232690493576 1985 5.693387748857134 1986 5.375620971836009 1987 5.236848231675394 1988 4.25140426414919 1989 3.320394738761201 1990 3.9677320332976382 1991 4.65652562237889 1992 4.012229650538624 1993 4.492807317927606 1994 4.450905980242992 1995 2.993795348321506 1996 2.9949384644905654 1997 2.3659735525288355 1998 3.481561736508872 1999 2.305046672466167 2000 2.2863060120123024 2001 2.570730542528275 2002 3.0818037512557033 2003 3.8943025486365808 2004 4.333652805142435 2005 3.715553467485941 2006 5.270887290303469 2007 4.322251485004983 2008 4.091075549612907 2009 5.479618581280268 2010 4.66624823517522 2011 5.1134325434236745 2012 4.205984529813668 2013 3.9842343877078736 2014 4.058220581379652 2015 4.025718945655204 2016 4.225885335181227 2017 4.161908539363849 2018 4.1756324667749585 2019 7.292517824169422 2020 4.439928376048047 2021 4.053763676588751 2022 6.060841764687259