Year % of GNI 1970 1.7161194658404433 1971 1.7444391664229757 1972 1.8842167219546686 1973 2.0182174010002543 1974 1.9267374363587215 1975 1.8729065516244825 1976 2.1956145636377182 1977 3.274868258895047 1978 4.556823241286907 1979 5.796827695837459 1980 3.892487140573171 1981 3.4637747839253707 1982 5.125173762197706 1983 4.944181259834761 1984 4.732950386571964 1985 5.2236548445604996 1986 5.621948508934329 1987 5.198093052072578 1988 5.003479767256066 1989 3.3892511896486 1990 3.094877077005505 1991 2.7686465020301436 1992 3.068920712615277 1993 2.2787904110758377 1994 2.1967836787739397 1995 2.7414359199870173 1996 3.267242819025009 1997 3.27889226664363 1998 2.9067663127022434 1999 3.6320974496694927 2000 3.5957600418991964 2001 3.446298234919771 2002 3.7429953135049554 2003 3.9861898110073217 2004 3.388913568783469 2005 2.6959805178064102 2006 3.2706923778980284 2007 2.156282280465846 2008 1.784959579825606 2009 1.6482525144844717 2010 1.3321810798052451 2011 1.3001870467129757 2012 1.4161962605729346 2013 1.3562510554242673 2014 1.2038592748176669 2015 1.9271286590787595 2016 2.3678834046031247 2017 2.584863855956571 2018 2.5482175111220147 2019 3.067438365695984 2020 2.874116120260611 2021 2.6013106303082063 2022 1.785631517272946