Year % of GNI 1970 2.045174394978788 1971 1.9623211774628093 1972 1.9925665227860905 1973 2.194647584738396 1974 2.5533912226929836 1975 1.9774479613511582 1976 1.9104421774368534 1977 1.737828712066862 1978 1.7715077351324826 1979 2.3705247929277187 1980 1.6599119152000001 1981 1.9411206169062456 1982 2.368713956842148 1983 2.4993561597583103 1984 3.0403493280314007 1985 4.283712660791013 1986 5.523446675447087 1987 6.905803117445805 1988 7.472345360825451 1989 7.879473134553973 1990 6.842517274871303 1991 6.5510615671576495 1992 6.15595483981091 1993 4.358585595595915 1994 4.135794600034705 1995 3.5053581704850427 1996 3.035670007078536 1997 2.632685332206601 1998 3.014298664696752 1999 5.6494920909745945 2000 3.5993206697266524 2001 4.6293116054067145 2002 5.137910387462411 2003 6.077723687406361 2004 3.3047434276096377 2005 4.722112593054116 2006 3.249697851372114 2007 2.4048116476523917 2008 1.8411609110293752 2009 1.6778452516023006 2010 1.6054307202708216 2011 1.3817772733944975 2012 1.4168078883442679 2013 1.1641856043732977 2014 1.4393357573954462 2015 1.6769316116312654 2016 2.089680150618157 2017 3.3207674338005573 2018 3.171042397339461 2019 2.682157454151975 2020 2.6417259935845268 2021 4.2581290955580355 2022 2.604005643026238