Year	% of total merchandise exports
1960	9.347923680168789
1961	9.28490927707278
1962	9.269186370322023
1963	9.434243301044157
1964	9.851587537699901
1965	9.487597927237466
1966	9.438628144270343
1967	8.983914796456919
1968	9.391074653779524
1969	9.64629053175514
1970	10.806999322057665
1971	10.827462005072066
1972	11.09715975622466
1973	11.220740376877334
1974	11.084588802738526
1975	12.13149345903458
1976	11.92428633854807
1977	11.743919620091166
1978	11.71590934737024
1979	11.360620051826015
1980	10.942385003851204
1981	10.1828188910868
1982	10.1292254669668
1983	9.498385260370762
1984	8.955926334832705
1985	8.813907232792397
1986	8.809905232725832
1987	8.47253944129094
1988	8.398225396405921
1989	8.158227989594197
1990	8.190636531224383
1991	7.49475825067384
1992	6.779826842123132
1993	5.5332465545401615
1994	5.307962198411461
1995	5.202270707434691
1996	5.176422742477095
1997	4.347866809610226
1998	4.073127788469587
1999	1.1305646957782403
2000	1.0690533579274601
2001	1.126932460638209
2002	1.0297104617712944
2003	0.859652394234456
2004	0.9604192203452747
2005	1.1341492044934671
2006	1.150212451467794
2007	1.2218399330898977
2008	1.2888094919880821
2009	1.3340595413531373
2010	1.069489403587735
2011	1.0986334759740737
2012	1.2093271916976334
2013	1.2250277318148681
2014	1.0911490608739538
2015	0.9301010234346213
2016	0.8284758829318464
2017	0.7510798766484399
2018	0.8179977085422039
2019	0.7398596669070984
2020	0.65038929333642