Year	% of GNI
1970	2.7857447797887276
1971	2.9174411991664293
1972	3.055607911517191
1973	3.081957034289512
1974	2.9460626725970123
1975	3.1085161318439125
1976	3.2239632207171263
1977	3.125920911688705
1978	3.204575256525206
1979	3.2893492090179914
1980	3.270899405085479
1981	3.164650900880797
1982	3.142815297604365
1983	3.052237761996996
1984	2.869253771723013
1985	2.8179385719233996
1986	3.1159396666608643
1987	3.212805439230674
1988	3.0960063825373982
1989	2.917770835835096
1990	2.979973578654642
1991	2.996555019995204
1992	3.19386907844319
1993	3.062809971706253
1994	2.78083463999028
1995	2.855133497203744
1996	2.656389644320529
1997	2.6902959691807964
1998	2.607375850839652
1999	2.6925423088779343
2000	2.5641254306923296
2001	2.781632106608812
2002	2.9370600621641754
2003	3.0914301824682417
2004	3.1424448777008966
2005	3.1198220897495808
2006	3.057925363906507
2007	3.0882420607466843
2008	3.219255190394123
2009	3.367024940667842
2010	3.383199375774166
2011	3.7316753397238362
2012	3.7402793890369015
2013	3.6446478436249685
2014	3.5455421049103637
2015	3.3795511871636883
2016	3.3746496364523733
2017	3.3918547475995626
2018	3.3888954958912456
2019	3.382079227478321
2020	3.3904114448337803
2021	3.3880609153522587