Year	% of total merchandise exports
1962	3.508771929824561
1965	0.37174721189591076
1966	0.2777777777777778
1967	0.3134796238244514
1968	1.8276762402088773
1969	0.015059916955315075
1970	0.14509313165388033
1971	0.8512232988918036
1972	1.1102268205332273
1973	2.5758406138173378
1974	4.1531352151367695
1975	0.23847566355853386
1977	0.006801518098839661
1978	0.5954306338208004
1979	0.6768094603753302
1980	2.022468579558928
1981	0.7908163265306122
1982	2.7307031814895155
1983	3.9275529079522613
1984	3.4455638622016163
1985	3.204497540903458
1986	1.5477945348263584
1987	0.29776539368690724
1988	2.0618131244557616
1989	1.6799076193623939
1990	2.663062428062072
1991	1.323308045443312
1992	1.4449433148814386
1993	1.5414051689738573
1994	1.0613786959750158
1995	0.8609086276137509
1996	1.3938751840075778
1997	0.8590648080841667
1998	1.3697322602353112
1999	1.3811714537840074
2000	6.217587802372063
2001	0.9093654801889426
2002	1.170660429742313
2003	1.1530542761272535
2004	1.1391409720245336
2005	2.343093428689283
2006	0.5245188775547505
2007	1.836029098776264
2008	1.550183754584499
2009	0.3907642055803766
2010	1.3940185233831262
2011	1.9567018171561972
2012	1.656465738962003
2013	1.7379154342635201
2014	1.913153323480485
2015	2.8840506381872357
2016	1.5789000788030514
2017	1.3623376618912666
2018	0.8088522523995288
2019	0.862841065372558
2020	1.7448091097941563