Year	% of GNI
1995	15.2792425391782
1996	15.8278813941855
1997	16.4266075574995
1998	15.6935597183255
1999	15.0998855870449
2000	14.4677633311679
2001	13.7780958194873
2002	11.6453329293902
2003	11.4654416796323
2004	11.7796137522563
2005	13.5611482952927
2006	15.2828827229879
2007	14.6139660331745
2008	12.4119491595285
2009	12.3628450200771
2010	13.7839266740661
2011	14.3135549588005
2012	13.1177888059252
2013	15.0571218616003
2014	16.6641861051166
2015	16.9405926451308
2016	16.7540783067202
2017	17.0020214469412
2018	16.7077904783801
2019	17.4717483830051
2020	18.8788636843267
2021	19.2909482526282