Year % of GNI 1979 5.340599391269194 1980 7.667452292813409 1981 8.652800237501948 1982 6.921518463097535 1983 4.4078978009434024 1984 6.788274651415404 1985 8.120845835286048 1986 5.703335395908984 1987 7.430685398845808 1988 6.886434025421692 1989 14.696969964935816 1990 5.913991832738805 1991 6.725914869557491 1992 6.799402491349031 1993 8.685656082965872 1994 9.341297015674447 1995 7.215296980181762 1996 7.889633478060269 1997 8.14327636159474 1998 7.664317637277301 1999 6.11290315635671 2000 6.231952270490467 2001 6.061692233763285 2002 6.147701373527559 2003 5.604343558062181 2004 7.157708548136344 2005 6.800872924227327 2006 8.515789112248124 2007 9.245464416648316 2008 8.825522137050994 2009 6.506191136520412 2010 7.337495869604497 2011 5.730823756952854 2012 4.1592734947872465 2013 3.447793842277507 2014 2.1960817371403625 2015 4.048875529120215 2016 3.4034055964200363 2017 3.654790527365983 2018 2.7772317616352455 2019 3.3179086510353097 2020 4.958507415566847 2021 3.97291876007614