Year	% of GNI
1970	0.27680526082255213
1971	0.2337307697190703
1972	0.22246309726906305
1973	0.2491226952979559
1974	0.3093170442211799
1975	0.3551410393895839
1976	0.356043539162269
1977	0.3510125618571442
1978	0.2653087353409112
1979	0.4814333377948975
1980	0.4063063242913807
1981	0.4316214371037588
1982	0.49402934944746657
1983	0.3934282693930206
1984	0.3850342762529692
1985	0.42529179293981656
1986	0.24571859777271743
1987	0.3326037763600649
1988	0.4856419595116867
1989	0.569538699355842
1990	0.482501161538041
1991	0.474758611030181
1992	0.5483631135513027
1993	0.5104756937317471
1994	0.5167727303862375
1995	0.5729731908608899
1996	0.94910859572696
1997	0.8736356396954758
1998	0.43343805509706124
1999	0.5205826557831761
2000	1.1057783576553697
2001	0.7775448809170988
2002	0.666447631037525
2003	0.9189616706363279
2004	1.1850690980023677
2005	1.1379399170303737
2006	1.540163433615315
2007	3.7107064626280444
2008	2.2867046075512247
2009	1.2311168335165419
2010	1.7500654759685519
2011	2.1016507121773293
2012	1.7423134159682876
2013	1.4661142972169356
2014	1.3376800551419314
2015	0.5420469753033312
2016	0.41001542502984367
2017	0.5370200327172779
2018	0.8488436844044499
2019	0.6500226386049002