Year	% of GNI
1990	0.42491720533486
1991	0.8964842203822275
1992	1.567729277548549
1993	1.954550244639687
1994	2.4087202358833357
1995	1.985039802436231
1996	2.012051910218472
1997	2.1263739130803807
1998	1.8765672710422736
1999	1.6326421711094812
2000	1.6131022336939425
2001	1.9960527565687556
2002	1.8448069384774637
2003	1.7090938536287044
2004	1.5939256899449343
2005	1.4616732423191694
2006	1.2661354976224433
2007	1.0471598467731542
2008	0.8561294575983857
2009	0.9848262458790726
2010	0.9887448144266078
2011	0.9231044996773818
2012	0.9234248785608309
2013	0.9482071636439408
2014	0.9375494753386818
2015	1.1454162939497217
2016	1.3593796811465897
2017	1.3841803975562854
2018	1.3893690677633068
2019	1.4652721940311166
2020	1.5442256741868574
2021	1.5731678622002918