Year	% of GNI
1970	1.1558947007368152
1971	1.4689267176558345
1972	2.0324177363975906
1973	2.4269072170693056
1974	2.3231946203795792
1975	2.180111266240888
1976	1.4610712121539664
1977	2.5504587117802937
1978	2.507939990338216
1979	6.461111981768125
1980	10.171267333598836
1981	8.531119830427404
1982	8.982040697680628
1983	7.12051098575333
1984	8.219497244032084
1985	7.210956720633223
1986	8.665493121842552
1987	10.502166019744541
1988	9.500561908527985
1989	9.309547750225665
1990	10.434563982954808
1991	6.285536972786129
1992	5.67864952649905
1993	6.76443398280456
1994	6.52637286308585
1995	6.855062473961253
1996	7.180931902040855
1997	6.014370877367462
1998	8.432598760367247
1999	7.098669108203989
2000	6.2273498317258875
2001	6.826343914702123
2002	9.428164133424557
2003	11.83656332036783
2004	9.241021093930263
2005	5.204906680600599
2006	3.63173964580836
2007	5.176546692758193
2008	3.8426455354212297
2009	3.8821474338530573
2010	4.358807793841136
2011	7.40820630786205
2012	6.905482765992775
2013	6.933954118851758
2014	5.1543915553959865