Year	% of GNI
1999	27.4055818908463
2000	26.5672765573125
2001	24.7076909904513
2002	23.5174866661997
2003	20.7177582793023
2004	29.044447116296
2005	32.3849136472891
2006	27.7193582168267
2007	36.0934892172816
2008	29.3201310667881
2009	4.0388559212806
2010	13.6981343598491
2011	13.8268154583722
2012	21.7960276452562
2013	19.334713618151
2014	21.6128163072363
2015	14.2042400053471
2016	16.1306898500499
2017	17.7398118015416
2018	15.7112594826464
2019	10.8871453253317
2020	15.2091915549495
2021	20.3640212733686