Year	% of GNI
1990	2.789029653035008
1991	3.101606061535641
1992	3.1486123397110104
1993	3.213839290499752
1994	3.0486286472786075
1995	2.914015249151302
1996	2.8064214567254178
1997	2.798028970563914
1998	3.0029891032350347
1999	3.1959076455161775
2000	3.1797046007854957
2001	3.38357726422763
2002	3.578889566447943
2003	3.586093537603126
2004	3.4331894181872387
2005	3.2588790322066443
2006	3.0898391493815285
2007	2.7725561726630086
2008	2.446860423225071
2009	2.658665126799075
2010	2.445735022503288
2011	2.315420176933778
2012	2.33035386561502
2013	2.3616648976479686
2014	2.389095518646464
2015	2.6113785791410504
2016	2.696883330559695
2017	2.623247761775017
2018	2.678907524661226
2019	2.774608588927871
2020	2.858275772019836
2021	2.701250530239217