Year % of GNI 1960 28.90404124397805 1961 29.775458570537634 1962 30.210945567234106 1963 31.826641850598243 1964 30.415860735062868 1965 31.26797964157999 1966 31.307793923446805 1967 33.02367941719126 1968 31.408581303326308 1969 30.71959180617093 1970 28.71543386460973 1971 27.115287076892663 1972 27.88118262766386 1973 31.30053579727218 1974 33.26232348115251 1975 27.521480888548727 1976 26.72796355536331 1977 27.033372904625406 1978 27.539487698584423 1979 28.859260367635223 1980 31.30153182070371 1981 27.370168722635793 1982 24.19941173646106 1983 23.2418140048843 1984 21.968716240106197 1985 22.142372380823375 1986 20.8369194481114 1987 18.926687995570187 1988 18.852312617211847 1989 19.59993465339897 1990 15.043253234495602 1991 15.281633859410121 1992 15.067284512036718 1993 16.109552812239315 1994 15.617718174062361 1995 17.007622143350925 1996 15.97214546710969 1997 15.161130845187982 1998 15.082603685006635 1999 14.725292744097082 2000 15.429810731001048 2001 15.178753018837453 2002 18.34260058278556 2003 18.826051757502373 2004 17.27234820439218 2005 18.006122552819242 2006 18.417901828049704 2007 17.520854254378744 2008 16.798833650554453 2009 17.733855036902643 2010 17.483018918327907 2011 16.48779747748752 2012 13.844241662442613 2013 14.180656902999608 2014 14.029706572580292 2015 14.624014229009626 2016 14.663652802923938 2017 14.649882150464165 2018 13.610341704179708 2019 13.554355267338915 2020 14.72038368488095 2021 16.658719964846803 2022 15.186794611677978 2023 13.81812655330647