Year	% of GNI
1995	17.5047098514897
1996	16.0726216960347
1997	15.963635686769
1998	15.8550638343413
1999	16.4693862751008
2000	16.9585578928798
2001	18.8027088758049
2002	17.4492472650725
2003	17.9782711836037
2004	18.3083309064533
2005	15.6414840241036
2006	16.2622919533352
2007	16.1251311612128
2008	16.2721516095025
2009	17.7717688167519
2010	17.8509505553517
2011	17.4458359237432
2012	17.2755561400554
2013	16.7247573026234
2014	16.7755461394337
2015	16.2486030201003
2016	16.5974962206335
2017	16.1850474116588
2018	15.951502519146
2019	16.510728067294
2020	18.420445595159
2021	18.3788630694668