Year % of GNI 1970 2.580995 1971 2.580995 1972 2.580995 1973 2.580995 1974 2.580995 1975 2.580995 1976 2.580995 1977 2.580995 1978 2.580995 1979 3.4 1980 4 1981 3.6 1982 3.2 1983 3.1464705882353 1984 3.09294117647059 1985 3.03941176470588 1986 2.98588235294119 1987 2.93235294117649 1988 2.87882352941178 1989 2.82529411764707 1990 2.77176470588236 1991 2.71823529411765 1992 2.66470588235295 1993 2.61117647058824 1994 2.55764705882353 1995 2.50411764705882 1996 2.45058823529412 1997 2.39705882352943 1998 2.34352941176472 1999 2.29 2000 2.20727272727272 2001 2.12454545454546 2002 2.04181818181819 2003 1.9590909090909 2004 1.87636363636363 2005 1.79363636363636 2006 1.7109090909091 2007 1.62818181818181 2008 1.54545454545454 2009 1.46272727272727 2010 1.38 2011 1.3 2012 1.38 2013 1.16 2014 1.16 2015 1.16 2016 1.16 2017 1.16 2018 1.16 2019 1.16 2020 1.16 2021 1.16