Year	% of GNI
1990	0.9335395380075673
1991	0.9919336851278722
1992	0.9952361465774098
1993	0.9450991317512949
1994	1.006018447867854
1995	0.9635563902071445
1996	0.8354376755812539
1997	0.829594370189921
1998	0.7261185356779533
1999	0.6903102094544776
2000	0.6098019647693984
2001	0.5906636785236471
2002	0.5127872282714048
2003	0.4584148558808827
2004	0.40178350012675346
2005	0.3722344259056098
2006	0.3472089196050109
2007	0.32811747763370264
2008	0.33676561582868686
2009	0.3613243086653943
2010	0.34836903331206764
2011	0.32925814998472636
2012	0.3151254096645478
2013	0.30119098226839797
2014	0.2933024041154974
2015	0.298790315703921
2016	0.30021736366809476
2017	0.278613819526868
2018	0.27343663427368015
2019	0.2718493999299094
2020	0.2666045498866628
2021	0.2515533505201226