Year	% of total merchandise exports
1960	3.6073356639224694
1961	3.40617607518839
1962	3.1276153309095736
1963	2.5880017467526524
1964	2.143118662853761
1965	2.0719501894802934
1966	2.2056493760830986
1967	1.8617093889955365
1968	1.2748060367107987
1969	1.4712805367984334
1970	1.692051383065115
1971	2.3256683330960937
1972	2.1920851971085145
1973	2.5409693295694105
1974	2.751465548850874
1975	3.684492164468325
1976	2.569349075126228
1977	2.5167513716122474
1978	2.8895379816499487
1979	2.288402088161327
1980	3.394198226495481
1981	4.233664546132305
1982	4.579921417319652
1983	3.5388657116308906
1984	3.002715371847004
1985	2.816911105405399
1986	2.494466483586229
1987	2.4879471370021644
1988	2.345979806794653
1989	2.3525058927521716
1990	3.0460712778916887
1991	2.221217562290516
1992	3.1564542644281013
1993	3.6158191617876643
1994	3.2583088944576946
1995	3.2756870126013533
1996	3.147889093175192
1997	3.1166809405108005
1998	3.3472946590946093
1999	2.7429151985476046
2000	6.311005319776659
2001	6.347008935529362
2002	6.154996442224221
2003	5.0515221913499655
2004	3.6340192674193257
2005	3.6325779515403895
2006	3.954009507346397
2007	3.7776784308319313
2008	4.4419975145101525
2009	4.356415122934542
2010	5.395420446829303
2011	4.919639053457527
2012	6.950399893274647
2013	6.600046663067223
2014	6.4611878575680155
2015	6.143461744849802
2016	8.915322459998107
2017	8.082854576340914
2018	6.827765018491484
2019	11.314082803297165
2020	12.001264840025375