Year % of GNI 1970 3.0667985132968503 1971 2.0807124522172202 1972 2.337209443385088 1973 2.2744957944312403 1974 2.2770603921539037 1975 2.332087883328889 1976 3.7931843732426564 1977 2.561765758445558 1978 4.079998917144473 1979 4.1272730830008255 1980 5.350081319620532 1981 5.641171758824308 1982 2.3706602587221672 1983 2.6364139194607086 1984 2.6086043172245246 1985 1.8696653496409297 1986 3.122790341874697 1987 2.1713527536281045 1988 1.7488667627298367 1989 0.6499144158230582 1990 2.8376961596976757 1991 1.0229863598426174 1992 4.315168379302314 1993 2.941862531331215 1994 5.040982290467673 1995 9.439501514200186 1996 6.633755114371011 1997 1.7095419861520946 1998 3.8311952523511805 1999 2.3725043960295435 2000 3.0059212449263564 2001 1.629986179789598 2002 1.0743880583554464 2003 1.1492566052038544 2004 1.3102029677647422 2005 0.8595975702643723 2006 1.1296371361190962 2007 0.41561060502766195 2008 0.19698705150714585 2009 0.2653581064942469 2010 0.33768915379866116 2011 0.4287461444528058 2012 0.39036867224949295 2013 0.3467970922153205 2014 0.4582411370630716 2015 0.5094524007464414 2016 0.838707080027563 2017 0.9936591565612453 2018 0.8924450946866544 2019 1.242173218251535 2020 1.2748554651760136 2021 1.2409115077242021 2022 1.3049813288974987