Year	% of GNI
1990	3.198565172794148
1991	3.1964648970096614
1992	2.447829788830467
1993	2.3539396211123784
1994	2.2217343200121626
1995	2.0762741075686653
1996	1.9678676005067697
1997	1.9074489792402414
1998	1.9377231178052685
1999	1.8934543549005909
2000	1.900620880517012
2001	1.8995731363413313
2002	1.8828505046879758
2003	1.6903545244843516
2004	1.5497843769882518
2005	1.4832407846770266
2006	1.4377578542218477
2007	1.4076500247193349
2008	2.3113770685310486
2009	2.059855253002566
2010	1.9164837833459962
2011	1.751635365190478
2012	1.7097269314844217
2013	1.7341948146949315
2014	1.6597995900836693
2015	1.598329756712634
2016	1.5150790402787808
2017	1.403067847781948
2018	1.3652410297266504
2019	1.3476903070797197
2020	1.3409936884013527
2021	1.4616654381091583