Year	% of GNI
1990	3.198565172794149
1991	3.1964648970096614
1992	2.4478297888304676
1993	2.3539396211123784
1994	2.2217343200121626
1995	2.0762741075686657
1996	1.9678676005067692
1997	1.9074489792402414
1998	1.9377231178052685
1999	1.8934543549005904
2000	1.900620880517012
2001	1.8995731363413308
2002	1.8828505046879764
2003	1.6903545244843514
2004	1.5497843769882518
2005	1.4832407846770268
2006	1.437757854221847
2007	1.4076500247193346
2008	2.3113770685310486
2009	2.0598552530025667
2010	1.9164837833459965
2011	1.7516353651904788
2012	1.7097269314844215
2013	1.7341948146949318
2014	1.659799590083669
2015	1.598329756712634
2016	1.515079040278781
2017	1.4030678477819478
2018	1.36524102972665
2019	1.3476903070797193
2020	1.340993688401353
2021	1.4616654381091587