Year	% of GNI
1970	0.6851525772792448
1971	0.9598293493189224
1972	0.9453249905395935
1973	1.4020211096856607
1974	1.8374565737542414
1975	2.1167804143990674
1976	2.183243854807141
1977	3.177258539372131
1978	2.9077526730784244
1979	4.0546366224185135
1980	3.629851311894642
1981	3.199384426720202
1982	3.173847173465885
1983	3.1614123823342224
1984	3.247082585861197
1985	3.3551397194375636
1986	2.0390788164721085
1987	2.3453427687159767
1988	2.1514689394747664
1989	2.7150644858944215
1990	3.2183989442875216
1991	2.4664509684405433
1992	2.4114537379794903
1993	2.531695367199045
1994	2.2077042504885256
1995	2.409452315180784
1996	2.3840090814741437
1997	2.08389878581285
1998	1.5823932706144623
1999	1.7942889478042041
2000	2.572958822505855
2001	2.170225209621581
2002	2.2556602027869768
2003	2.34545184840615
2004	2.6468445125465965
2005	3.418673658246743
2006	3.8969564975144992
2007	4.105870799209853
2008	5.5300409339250045
2009	3.0303820438274593
2010	3.81894468767656
2011	4.613511670500471
2012	3.989857657015499
2013	3.386223623269178
2014	2.767290856457649
2015	1.584945989892035
2016	1.3938143315567089
2017	1.713987882780289
2018	2.027323834933537
2019	1.7172054784772601
2020	1.331098178727505
2021	2.3468329208054652