Year % of GNI 1975 61.9401883369878 1976 62.1765889394561 1977 49.3769923856822 1978 51.166196847695 1979 62.3983006673737 1980 59.337044511631 1981 54.7278890958473 1982 37.6872209202023 1983 41.2824510638629 1984 43.2597152601907 1985 36.3049542631189 1986 39.4041593295058 1987 41.8462669647489 1988 36.2927164331968 1989 38.4848996451254 1990 13.8562776296727 1991 -158.418269024343 1992 18.117477203555 1993 26.8969442404989 1994 27.8609064579507 1995 31.9718919896288 1996 34.2830462014922 1997 35.3152688015087 1998 22.0096059874155 1999 26.8140776873566 2000 42.0901213034746 2001 33.4586731498242 2002 26.0053190791337 2003 33.9262481085255 2004 44.1801611576022 2005 53.0493674367437 2006 59.2073193591579 2007 51.6625652620072 2008 54.5278824619845 2009 40.2912396068978 2010 47.6315999571807 2011 54.2175208630282 2012 54.0982473297299 2013 51.2105932437591 2014 45.7671814916834 2015 27.8325142516853 2016 22.7919942042676 2017 30.7153125726954 2018 35.0506693967335 2019 28.4524227870633