Year	% of total merchandise exports
1960	1.2063154160014193
1961	1.4011029959755552
1962	0.5342831700801425
1963	0.3987810238056647
1964	0.7175007228743018
1965	0.931310758417846
1966	1.0039944906540952
1967	1.0902897498007404
1968	1.1344398066718004
1969	1.0943903453937636
1970	1.2049921217976567
1971	1.5481026719830848
1972	1.642593012490418
1973	1.438966678341718
1974	0.8835772512830466
1975	1.142031714715479
1976	0.966045152224362
1977	1.0002779635693997
1978	1.5625446707441197
1979	1.3917949381220633
1980	0.7091178631749873
1981	0.6665923878981665
1982	1.414670070555656
1983	1.3423772534780056
1984	1.3451790031456623
1985	1.4033446575685256
1986	1.6510466257032501
1987	1.658946853750802
1988	1.979823633544413
1989	2.1315828807686086
1990	2.3350908254266174
1991	2.2109572113560727
1992	2.117675092788267
1993	5.047848946220801
1994	2.6527917251034028
1995	2.0233614217838323
1996	1.866703319554112
1997	2.4696381111652435
1998	2.3680674234851873
1999	2.147617040196221
2000	2.164495914442514
2001	1.8168007546786606
2002	1.8952569541373192
2003	1.6837923872893266
2004	1.5571971596973555
2005	1.2698330333035879
2006	1.0371741656825542
2007	1.1609790159006468
2008	1.1434586724008644
2009	1.5132535430877465
2010	1.4871944349554165
2011	1.375527332791352
2012	1.5946542444366034
2013	1.1316608711168934
2014	2.099532424509236
2015	1.9552897424066868
2016	2.5608267277255696
2017	3.71386014352979
2018	2.180901569890862
2019	2.4701054640553832
2020	3.2102078374352714