Year % of GNI 1970 2.5 1971 2.144487 1972 1.9 1973 2.144487 1974 2.144487 1975 2.144487 1976 1.5 1977 1.5 1978 1.7 1979 1.8 1980 1.5 1981 1.6982423 1982 1.6 1983 1.6 1984 1.5 1985 1.3 1986 1.2 1987 1.1168552 1988 1.1168552 1989 1.1168552 1990 1.1168552 1991 1.1168552 1992 0.7 1993 0.8 1994 0.9 1995 1.1 1996 1.3 1997 1.9774296 1998 2.1405741 1999 2.10038273333334 2000 2.06019136666666 2001 2.02 2002 1.88 2003 1.8590752923155 2004 1.83815058463101 2005 1.81722587694651 2006 1.79630116926202 2007 1.77537646157752 2008 1.82030116926201 2009 1.8652258769465 2010 1.910150584631 2011 1.95507529231549 2012 2 2013 2.51925224689344 2014 2.51925224689344 2015 2.51925224689344 2016 2.51925224689344 2017 2.51925224689344 2018 2.51925224689344 2019 2.51925224689344 2020 2.51925224689344 2021 2.51925224689344