Year	% of total merchandise exports
1960	7.3197578425976895
1961	8.352017937219731
1962	6.354810238305383
1963	5.489154493138557
1964	5.906313645621181
1965	5.791901588928754
1966	6.660088801184017
1967	5.885100420364315
1968	3.8743004735256132
1969	5.863201675319431
1970	6.792967454203678
1971	7.637914397645189
1972	7.225347114527536
1973	7.125519237550894
1974	5.826830535274944
1975	8.80856961446293
1976	5.279719396500395
1977	2.940793872161231
1978	8.95654360479496
1979	5.103725857204862
1980	5.7548411840848495
1981	9.332815095093595
1982	6.498680275890346
1983	7.801713009216124
1984	16.045550200516757
1985	11.339851663299603
1986	10.22957056024577
1987	8.41143647921476
1988	6.860226011287547
1989	7.125031224926323
1990	9.541290071933615
1991	5.590643440196861
1992	13.15831311624123
1993	13.25567493600831
1994	9.057322776489626
1995	9.35825489874099
1996	15.100277969925727
1997	15.308569012387549
1998	11.991249505107316
1999	12.212397956776238
2000	4.733224465819775
2001	4.934194350786176
2002	5.57606704842426
2003	5.051761002211267
2004	4.544591352378697
2005	3.2399111453309737
2006	3.4235246519007547
2007	1.1148013633554643
2008	1.4933119422763366
2009	2.278655775567992
2010	1.2207373108501387
2011	1.2094325833193051
2012	6.106740921910151
2013	4.286502877405249
2014	8.444995255903374
2015	12.824004885816139
2016	19.152269227305997
2017	13.205127273820013
2018	16.67232388855873
2019	12.232100045215685
2020	12.232100098626347