Year % of GNI 1960 0.05142 1961 0.058989 1962 0.119974 1963 0.136553 1964 0.175683 1965 0.185138 1966 0.253452 1967 0.247929 1968 0.279155 1969 0.432974 1970 0.351612 1971 0.436066 1972 0.461433 1973 0.528237 1974 0.694386 1975 0.779194 1976 0.776922 1977 0.945746 1978 0.860249 1979 0.91832 1980 0.781133 1981 0.826621 1982 1.016699 1983 0.840826 1984 0.803809 1985 0.861952 1986 0.846805 1987 0.881512 1988 0.859788 1989 0.959596 1990 0.907306 1991 0.895372 1992 1.029618 1993 0.985105 1994 0.964745 1995 0.765596 1996 0.835065 1997 0.790889 1998 0.715491 1999 0.697804 2000 0.801258 2001 0.766254 2002 0.836383 2003 0.794539 2004 0.777291 2005 0.942198 2006 1.024807 2007 0.934718 2008 0.979578 2009 1.12141 2010 0.969527 2011 1.018801 2012 0.973899 2013 1.013779 2014 1.094402 2015 1.404549 2016 0.940681 2017 1.018878