Year % of GNI 1970 2.713586985777828 1971 2.5213743864955123 1972 2.6047509687790926 1973 2.615756939528613 1974 2.6506277734555512 1975 2.613531002781281 1976 3.0294590302855653 1977 2.8674287763439366 1978 3.1683498058855477 1979 3.1434923292307846 1980 3.008360481326739 1981 3.150659103327677 1982 3.2454037019934665 1983 2.9994045022986824 1984 2.8615416799612334 1985 2.772363023626544 1986 2.8847014905370085 1987 2.918261049714948 1988 2.7080234248025756 1989 3.1137936418514007 1990 3.1830450714576717 1991 3.101819768562788 1992 3.236884978683486 1993 3.242740757935333 1994 3.383333600080193 1995 3.278825187859063 1996 3.317585005967184 1997 3.461773350393031 1998 3.459152864031924 1999 3.307526155786531 2000 3.322521227827574 2001 3.362397006884955 2002 3.2717729439547205 2003 3.3009347891792578 2004 3.2436290486689967 2005 3.3051487376902124 2006 3.2923351720790106 2007 3.2788103737857095 2008 3.2263606137954617 2009 3.2723711878226784 2010 3.277312282714349 2011 3.304781719986357 2012 3.2348739528573542 2013 3.1813423224326036 2014 3.1260845134835877 2015 3.0343411729072347 2016 3.02373613557695 2017 3.014915525136454 2018 2.901994750133732 2019 2.8804351669334345 2020 2.7782727550803563 2021 2.756570140098089