Year % of GNI 1970 1.1344695085056535 1971 0.9719421281135666 1972 1.0577612637527425 1973 1.8886056305976713 1974 1.7082735029231453 1975 1.937472125434988 1976 1.6815641510842267 1977 2.6301689111249065 1978 2.3573055873922963 1979 1.9990066291968192 1980 2.061433217128163 1981 1.508743455985906 1982 1.9573753726780565 1983 1.4943032919857275 1984 1.2926512354328137 1985 1.1147140341699042 1986 1.4943217584292396 1987 1.4954602672779986 1988 1.4438607309995812 1989 1.5254303946591186 1990 1.9009361907540079 1991 1.692821565307836 1992 1.7052253547387703 1993 1.560838088830317 1994 1.896245742719032 1995 2.228211463733053 1996 2.0389288381759982 1997 1.8729007748102118 1998 1.5981091166482135 1999 1.130484183628538 2000 0.8812123325435618 2001 0.8679202284591347 2002 1.034917556069282 2003 1.270129116189105 2004 0.9013755323954741 2005 0.9026457070595016 2006 0.8601772170586194 2007 1.0526348896445898 2008 0.5447134563867738 2009 0.5521555252292027 2010 0.46302266518572865 2011 0.45316938076586055 2012 0.4476185377630967 2013 0.43699507290912554 2014 0.4492753329879478 2015 0.4620008476820788 2016 0.5219193116831543 2017 0.5598443480688658 2018 0.4136984181398401 2019 0.3858459078506941 2020 0.4496264208151853 2021 0.4245319964795995