Year	% of GNI
1970	1.4122314862750134
1971	1.175834205175886
1972	1.233826193359572
1973	1.5728724705441484
1974	1.4039098365369485
1975	1.6535448833954054
1976	1.5471735806084252
1977	2.3721857509550466
1978	2.1890011216881238
1979	1.8471648937049383
1980	1.7983017985384393
1981	2.057417529850011
1982	2.9873297117829507
1983	1.9493107649675738
1984	1.9599270700783935
1985	1.7469025210941038
1986	2.4509871046049434
1987	2.025300103639373
1988	2.0082609109323233
1989	2.099122732345651
1990	2.3675239631814042
1991	2.276870803413993
1992	2.2934978159647734
1993	2.0728131905295335
1994	3.03480136027179
1995	3.9375971070337528
1996	3.826412198705592
1997	3.458501923177566
1998	3.7650807928305507
1999	2.515009910022338
2000	2.4809403803655803
2001	2.58164928081224
2002	2.96176558681929
2003	3.543024282090689
2004	2.4872857258475736
2005	2.291818902501366
2006	2.036348604759658
2007	2.5837107972398528
2008	2.0261995713635943
2009	2.0709863730814417
2010	1.561313054677238
2011	1.5213296017572513
2012	1.6747554537634215
2013	1.7231016150552583
2014	1.8063790151020915
2015	2.123464350481984
2016	2.4395004051274496
2017	2.2811755540755665
2018	1.5013196124285928
2019	1.3976371626625526
2020	1.6253114221484033
2021	1.5658740794789427