Year	% of total merchandise exports
1960	5.522660305879051
1961	1.5996650978700733
1962	0.7009259600841111
1963	2.597345424930114
1964	3.5281279096542955
1965	3.1481582636878427
1966	3.38794472613618
1967	3.3938213556390484
1968	3.4673117479220936
1969	3.2562986348333314
1970	4.523486288351887
1971	5.362556485594982
1972	5.366277349259605
1973	4.092336572975809
1974	4.427661323468969
1975	5.485717282350562
1976	4.757296264254048
1977	4.093954569538687
1978	6.093645725124774
1979	7.1280852564821116
1980	6.1625746516257465
1981	4.4484356593987
1982	5.015682962128733
1983	3.843142540569147
1984	4.968437706097069
1985	4.603763628243881
1986	4.863957104605621
1987	3.6346635879953113
1988	4.932608608343127
1989	4.063126163607512
1990	3.158064339582059
1991	3.792904388004894
1992	5.68373689841567
1993	10.012060260419862
1994	5.764984739268784
1995	3.9982136432993016
1996	2.4161477683009784
1997	2.7889728853170532
1998	0.7082747514303206
1999	0.8847123862084527
2000	1.1424235514433472
2001	1.4342249941561767
2002	1.8660099640499996
2003	2.004221606567335
2004	1.036425007255899
2005	0.9247376919028596
2006	0.8177549191312999
2007	0.7115128899641163
2008	0.7105611395648683
2009	0.8734472008534494
2010	1.1171741899814196
2011	1.0075738047581067
2012	1.0690180822931057
2013	1.2868190794999423
2014	1.3604820504222812
2015	1.6937664089746847
2016	2.503992413460624
2017	1.8988761022446898
2018	1.2484790160088255
2019	1.2678500272675233
2020	1.4848573619755276