Year	% of GNI
1990	1.6591116297923438
1991	1.5966168623570955
1992	1.4186286066325917
1993	1.2830156356755258
1994	1.1941860624612912
1995	1.1344597560165124
1996	1.0627896921090136
1997	1.015462275212504
1998	0.9805423992415305
1999	0.9683756285284745
2000	0.9229398336639653
2001	0.8849357869559145
2002	0.8631112447578212
2003	0.8235999297638023
2004	0.7636092923993317
2005	0.7154264381074001
2006	0.6680516262703498
2007	0.6322607103987964
2008	0.6975491373678216
2009	0.6896327829614111
2010	0.6556677968027875
2011	0.6274949600309082
2012	0.6167952454500801
2013	0.6101149173721226
2014	0.5967424377028271
2015	0.6036580007361505
2016	0.5924620967329675
2017	0.5696125256033265
2018	0.563574845999113
2019	0.5618393344601035
2020	0.5910112092512059
2021	0.5593810228661814