Year	% of total merchandise exports
1960	1.3841514657175342
1961	1.2272824460124012
1962	1.3216238322786173
1963	1.0200771365749919
1964	1.1554092634265944
1965	1.547395388556789
1966	1.722669190724089
1967	2.063891910459724
1968	1.8829877875603522
1969	2.1836553903292892
1970	2.8632021014941356
1971	3.052880386142325
1972	2.2510758705608347
1973	1.7276250947094223
1974	1.7248498092415097
1975	1.4554442888782688
1976	1.1711719240876977
1977	0.9215538760901526
1978	0.9992932470448026
1979	0.8238989570404719
1980	0.8615045611998766
1981	1.3739120789770278
1982	0.9099562878780677
1983	0.8627318147175883
1984	1.3662933537805777
1985	0.7481279123266747
1986	0.8580389214719906
1987	0.5555099399707273
1988	0.5023740684638799
1989	0.41661585204967294
1990	0.44551473306234946
1991	0.4867208624113822
1992	0.727286903080745
1993	0.7540708122213002
1994	0.810149161024425
1995	1.094525095627929
1996	1.5179454499388576
1997	1.6433238581358245
1998	1.5338178921557095
1999	1.5230180716949686
2000	1.6775888717776817
2001	1.6658811422457502
2002	1.6990748439067296
2003	1.8067699851042025
2004	2.088261578361137
2005	2.0541284278453547
2006	2.0233687300988086
2007	2.026679595442723
2008	1.6949235786286523
2009	1.3609125245701044
2010	1.2715021043679573
2011	1.1074781811736556
2012	1.124666393270732
2013	1.1115527463686092
2014	0.9080438444341019
2015	0.9896999326145554
2016	0.811507434901483
2017	0.9031103261793963
2018	0.8838529459111397
2019	0.6578997670357407
2020	0.5691395489891752