Year % of GNI 1970 0.5425099 1971 0.5425099 1972 0.5425099 1973 0.5425099 1974 0.9 1975 0.8 1976 0.5 1977 0.6 1978 0.6448609 1979 0.7 1980 0.7 1981 0.7 1982 0.7 1983 0.8 1984 0.9 1985 0.9 1986 1.1 1987 1.1 1988 1.1 1989 1.2 1990 1.2 1991 1.1 1992 1.2 1993 1.3 1994 1.3369002 1995 1.3369002 1996 1.3050351 1997 1.3 1998 1.4927874 1999 1.32 2000 1.28 2001 1.3 2002 1.25 2003 1.68 2004 1.48 2005 1.545 2006 1.61 2007 1.79 2008 1.71 2009 1.59 2010 1.77802832192127 2011 1.96605664384263 2012 1.87681685753293 2013 1.86282889139239 2014 1.84884092525187 2015 1.83485295911133 2016 1.8208649929708 2017 1.66246855487557 2018 1.50407211678041 2019 1.34567567868521 2020 1.34567567868521 2021 1.34567567868521