Year % of GNI 1986 0.268303877712363 1987 0.245723602189304 1988 0.783957809104037 1989 0.863405804183245 1990 0.84010036751367 1991 0.919518406038114 1992 1.01657737087642 1993 0.909990766056493 1994 0.905153346555871 1995 0.953959274549178 1996 0.636239610936317 1997 0.912672626767066 1998 0.859018092739523 1999 0.92876232112174 2000 0.946913799690578 2001 1.02272119868345 2002 1.09020064189606 2003 1.35117839697136 2004 1.34516256984751 2005 1.69342480932912 2006 1.38044735062902 2007 1.52899981522341 2008 1.26075745050705 2009 1.54517800363336 2010 1.64594849043489 2011 1.57956852962197 2012 2.01221062515195 2013 2.00325631357576 2014 2.02366921118993 2015 1.96980271547067 2016 1.99019127657074 2017 1.68470265464267 2018 1.7672737699848 2019 1.75910361636465 2020 1.90160545977569 2021 1.89581126929261