Year	% of total merchandise exports
1960	0.09163802978235967
1961	0.04099200655872105
1962	0.03685467464693221
1963	0.06339501433431713
1964	0.029825639312578665
1965	0.017929576210560162
1966	0.03794044109556818
1967	0.03800825349224584
1968	0.02176917189199356
1969	0.02332729121499928
1970	0.009248125485359754
1971	0.011930161456903988
1972	0.021510964867390105
1973	0.015356029545000843
1974	0.018136114572953818
1975	0.03805614927621829
1976	0.06345336215145465
1977	0.05949326310782153
1978	0.07079791385238692
1979	0.04731866498800855
1980	0.035122177443727365
1981	0.1895894967923951
1982	0.2460566480380829
1983	0.32975400747377737
1984	0.7906648889831246
1985	1.1592615133643436
1986	1.5111982127384627
1987	1.7942524329632676
1988	2.031982575972263
1989	3.05992040121656
1990	1.9961495832982816
1991	1.304873640964126
1992	0.975721077090179
1993	0.09303804460467796
1994	1.0389155383310513
1995	0.9250413172184305
1996	1.3772301399849805
1997	1.01485676848104
1998	0.6876134854575835
1999	0.8294871000571947
2000	0.6534013139820439
2001	0.1621158509472405
2002	0.6248092764881429
2003	0.7081135113032113
2004	0.6712205257177857
2005	0.6958334533048257
2006	1.0193037173001729
2007	0.9714005972261434
2008	1.3389610743871196
2009	1.0130286818092111
2010	0.866739374729527
2011	0.8895393840809461
2012	1.2125680124439102
2013	1.231061468657986
2014	1.229190310792184
2015	1.2066553305909353
2016	1.061457819846053
2017	1.1099596738335598
2018	1.1563656570593568
2019	0.8653247854588155
2020	1.0639241529493417