Year % of GNI 1990 1.78336861042766 1991 1.87350865987229 1992 1.88484537957992 1993 1.70754431367295 1994 1.69430354455748 1995 1.7429356086623 1996 1.70282197828969 1997 2.06445382690372 1998 4.99336669021586 1999 3.83573368674902 2000 3.38096618079373 2001 3.79426732307426 2002 3.24514998929715 2003 3.1079024202011 2004 3.0722495895576 2005 2.9271250050293 2006 2.56080715368721 2007 2.36105871008175 2008 2.05137663401361 2009 2.0742760893186 2010 1.61564895974001 2011 1.63292925024313 2012 1.67726296905688 2013 1.63567819379839 2014 1.89252364504274 2015 2.04112503105104 2016 1.92093255123821 2017 1.96825947590475 2018 2.23550848860364 2019 2.32945394463306 2020 2.44526535210387 2021 2.37594364421979