Year % of GNI 1970 0.8138098996421267 1971 1.004712696517413 1972 1.071577478079332 1973 0.797815596299365 1974 0.6821527289404123 1975 0.5717745560204748 1976 0.610294914450773 1977 0.625512247208522 1978 0.7158554038532153 1979 0.8088121526262864 1980 1.5551008992252084 1981 2.0101853031536523 1982 2.9871420503914745 1983 3.398391499100405 1984 3.5815823563640103 1985 5.7121838946480095 1986 5.2694494151680304 1987 5.857236604332032 1992 1.2532161189333 1993 1.220925188528293 1994 1.8831445422038517 1995 2.4283993083025375 1996 2.7118700390366666 1997 2.662333323062029 1998 3.329878910379617 1999 3.137999660067821 2000 3.0537144927810784 2001 3.9145955857950607 2002 3.125278293119795 2003 3.035748287593322 2004 2.360843195220921 2005 3.0228381324981926 2006 2.711158501210314 2007 1.3963592218958687 2008 1.7167749470728533 2009 1.6595382597093695 2010 1.692624485555078 2011 1.2213986045148244 2012 1.0395003994586671 2013 1.240961887592845 2014 2.0162377681352988 2015 2.989656926189687 2016 2.916891201193128 2017 2.082358357562904 2018 3.1845583429712883 2019 2.532183805178333 2020 3.3851194524375092 2021 2.1184419413011937 2022 2.0950381538166325