Year % of GNI 1960 3.8836053341366 1961 3.5803207493411384 1962 5.241179284321258 1963 2.6750275091029585 1964 3.135829037901889 1965 3.0861236764826376 1966 5.722598370485863 1967 6.234599497936747 1968 7.6438002516671375 1969 8.379570408613743 1970 7.510091205139656 1971 8.893744030375078 1972 10.942756953443073 1973 9.074859344194735 1974 11.10704597487694 1975 11.512300161463816 1976 10.01944063047742 1977 8.868425511240364 1978 12.405887344928459 1979 12.21487991047392 1980 12.57846819474391 1981 12.487752190062139 1982 12.470718383789073 1983 12.817676954598193 1984 14.132780399226155 1985 12.12084707770841 1986 16.197874893406215 1987 17.825102240525744 1988 18.924593597052656 1989 18.812362034797932 1990 23.500467604855167 1991 22.176984455661213 1992 28.921439569778478 1993 23.357628910021642 1994 34.05114499547295 1995 29.04298647544943 1996 12.924418419940709 1997 5.872576082401607 1998 7.764231704535569 1999 9.425523392274286 2000 10.546051882661349 2001 16.108002246160773 2002 21.178769857242248 2003 29.683419926797004 2004 40.40965179110316 2005 33.25490926235879 2006 34.16392799549309 2007 29.352466263852623 2008 28.297424087290757 2009 29.169570872017005 2010 31.050321770629047 2011 25.795962841997255 2012 22.527159123314835 2013 22.777860562694755 2014 19.10075896331148 2015 11.819506311693043 2016 28.096069795756623 2017 15.993036239226685 2018 16.88916773570938 2019 21.44675440840874 2020 18.06529015071156 2021 21.848365753779916 2022 17.197733525163486