Year % of GNI 1985 11.37919556118344 1986 6.380338989262929 1987 15.1858446153804 1988 16.487907652377938 1989 18.75595989752568 1990 27.908570022808448 1991 15.808683102573639 1992 60.92528672453524 1993 55.18876162751089 1994 78.3740572266791 1995 40.971637143968735 1996 41.78703739269838 1997 34.99524186940996 1998 22.56682174811501 1999 38.745633256513386 2000 50.0798215564175 2001 35.85834459567705 2002 23.42975795823469 2003 20.04512963131589 2004 24.75297607706117 2005 34.12711865252996 2006 33.804942776347936 2007 39.87146375343713 2008 49.1584585844471 2009 26.226488363963373 2010 33.12014036467391 2011 32.77693254099161 2012 29.42539588854237 2013 24.7241257283763 2014 18.585126985335023 2015 10.950982389787946 2016 17.085174696986122 2017 21.66578190994625 2018 26.61267120238929 2019 24.0727401150351 2020 16.46353582398497 2021 23.269682921823303