Year	% of GNI
1970	2.7237002218129898
1971	2.519041358423652
1972	2.603667901136216
1973	2.6127648821410503
1974	2.6512241795976133
1975	2.6117818084898667
1976	3.031353008416226
1977	2.857399492501131
1978	3.1653650893479943
1979	3.1465439564487454
1980	3.0057929430326564
1981	3.1467721368786963
1982	3.2456392310615407
1983	2.988719426954005
1984	2.8462834615879182
1985	2.757461532373418
1986	2.884612269114038
1987	2.919871261485772
1988	2.70908717219553
1989	3.1302800158016013
1990	3.1997027850384963
1991	3.116467103858224
1992	3.2505661233137797
1993	3.2572130321053145
1994	3.3966272113539486
1995	3.2897041643981924
1996	3.331575830718386
1997	3.479918701356364
1998	3.48008374740757
1999	3.324266765105244
2000	3.3440749768041433
2001	3.3803397342362933
2002	3.2883775094635164
2003	3.3158769844335345
2004	3.2559107582158164
2005	3.3188413134996293
2006	3.3044431950137025
2007	3.2903815203344995
2008	3.236054614043366
2009	3.281659796376929
2010	3.2866474863595947
2011	3.3109196799555787
2012	3.238516186399462
2013	3.1855923343797894
2014	3.128318065117641
2015	3.036453015045208
2016	3.0267618008859807
2017	3.017353864770291
2018	2.9022797896672863
2019	2.8809120425156807
2020	2.776881997977499
2021	2.754955604042238