Year % of GNI 1970 0.370001526587964 1971 0.3150906607965691 1972 0.3167259064077859 1973 0.2762514326771972 1974 0.30254300554492847 1975 0.7802875941195836 1976 0.8649110629704575 1977 0.7082414032087019 1978 0.532737623007656 1979 0.6379492956747792 1980 1.572208206916922 1981 2.9980950258206462 1982 5.70200210603292 1983 3.4884761241371223 1984 2.825621292308794 1985 3.7039892354767026 1986 3.7345882821582284 1987 3.742640359162937 1988 3.4905213956149157 1989 1.5069798375969805 1990 0.49322536490055985 1991 1.1389893024476148 1992 0.35172413811956554 1993 1.5105117278363867 1994 1.2001225336670243 1995 0.6097125333864357 1996 0.588863502158415 1997 1.266049430608192 1998 0.7824251830955457 1999 0.8378298176360034 2000 0.8612171296911124 2001 0.762690980986159 2002 0.4846395071583882 2003 0.6457090395702769 2004 0.610836221386978 2005 0.559678321267853 2006 0.9176783168540289 2007 0.26614655330937886 2008 0.22520321173318036 2009 0.37569049119279535 2010 0.2105885647510116 2011 0.27742876766755364 2012 0.3492769518453502 2013 0.6095486162281551 2014 0.9081976929277902 2015 0.7609605201872414 2016 0.970653102764585 2017 1.081556018126841 2018 0.8621971306261045 2019 0.95388632858479 2020 1.311940331392085 2021 1.2689514560253374 2022 1.8058011070033246