Year % of GNI 1977 10.338905864107879 1978 10.08067475222681 1979 9.234235552615882 1980 11.85054777989655 1981 9.986749670953149 1982 4.838849238245221 1983 5.753353948397387 1984 6.577371821076427 1985 5.306931099535178 1986 4.536447305604117 1987 3.6490751805442407 1988 3.939868399881724 1989 4.485398942208565 1990 -0.34366770544894054 1991 -0.31550365726448804 1992 2.1295927152821417 1993 3.437386320411171 1994 1.7746801283172169 1995 3.0473144171502704 1996 1.7358375240416861 1997 2.7603257373468555 1998 0.9070460695932594 1999 1.304179358000416 2000 1.5347168233997603 2001 0.23357889807057175 2002 2.5991778044139213 2003 3.890148322981587 2004 4.458359175792305 2005 4.6530456057469625 2006 5.222094361113765 2007 3.660178472128502 2008 -0.4011789741710845 2009 2.4333268277010234 2010 2.7924160825109694 2011 1.6393520399680506 2012 1.1493542807129518 2013 1.3674690529686924 2014 3.4152204015187664 2015 3.4099419083823763 2016 3.1476127062933643 2017 4.4094394679866245 2018 4.48919260474284 2019 5.892208245840596 2020 5.889627246038902 2021 3.868599672060822