Year % of GNI 1980 2.06452172667779 1981 2.2066175622032453 1982 2.9916769389884976 1983 2.1672866056688496 1984 1.8586427547604254 1985 1.4570578318229745 1986 2.221526650510182 1987 1.923080225130381 1988 1.8544541958007388 1989 1.9860203887779253 1990 1.3772055422468938 1991 4.2811924967133095 1992 4.345447278130387 1993 3.816232660432943 1994 6.477167313406667 1995 7.400162931083634 1996 6.687727810474433 1997 5.460018794230455 1998 5.5025583808394884 1999 3.3745251781899395 2000 3.0232738107907 2001 3.227421443258363 2002 3.506071918052131 2003 5.03649195653535 2004 3.5192326354485046 2005 3.081186768538952 2006 2.518781873428228 2007 2.935093345253312 2008 1.6835330749274304 2009 1.7892539378989056 2010 1.3716794771664984 2011 1.2696895179779826 2012 1.3133071542772556 2013 1.339886512906228 2014 1.3725919540545797 2015 1.6832441586825884 2016 1.9654656439048341 2017 1.8885925069827152 2018 1.2482323434403988 2019 1.130807386912559 2020 1.3373955108980904 2021 1.3180305058798862