Year % of GNI 1970 1.1838842906443703 1971 1.1371333669153705 1972 2.8989103324944936 1973 2.6267938933231676 1974 2.3110500670361147 1975 5.881687545612943 1976 10.80468989309617 1977 5.419872322197963 1978 3.363120718374679 1979 7.160286449407062 1980 2.9198155544449693 1981 5.106260836413065 1982 3.6018325514830223 1983 3.3437183346170825 1984 4.037336570334097 1985 7.894764639100845 1986 6.656614968725353 1987 7.757015218784548 1988 8.296546162823407 1989 5.758676002296196 1990 8.11968822286719 1991 3.540546315567708 1992 3.4461302394970352 1993 6.624176441637541 1994 5.105009866886428 1995 5.057757316251184 1996 4.720209190062935 1997 4.666297422701104 1998 4.572058583115577 1999 4.377035961332069 2000 3.653051110238347 2001 3.5593101561400746 2002 2.3745550341171735 2003 2.0984874088875625 2004 1.810850658517231 2005 1.7407000486784834 2006 1.6467455528303778 2007 2.697968677585375 2008 1.1411517866337206 2009 1.615821808165151 2010 2.0188085508900504 2011 1.8789560672146828 2012 2.2748805111310433 2013 2.3637360393069096 2014 3.761909903716266 2015 3.9363081590598856 2016 3.939957200258118 2017 4.534318028600236 2018 4.870887009244158 2019 4.549047129567837 2020 3.303850798266031 2021 4.328667646877603 2022 3.3690371161634487