Year	% of total merchandise exports
1960	4.013171152818705
1961	3.038835352898562
1962	3.680985235501079
1963	3.3453714922476516
1964	4.383644819916337
1965	3.6272871077369153
1966	3.1565574942289856
1967	2.7874259442370835
1968	3.1157929662673576
1969	2.0865218842564626
1970	1.8278545949164184
1971	1.870738162425634
1972	2.0941698759951133
1973	1.7799113559308952
1974	1.1121095724588614
1975	1.176731541674638
1976	1.0205531493024995
1977	1.2189074206986763
1978	1.340132027164338
1979	1.1493206701045355
1980	1.3481800214896675
1981	2.9756158431624566
1982	1.808695174456372
1983	1.7416418152985118
1984	1.6718920095776655
1985	1.9911552744832035
1986	1.936942145333208
1987	1.6054189690891212
1988	1.9358608735070226
1989	1.701069829386441
1990	1.9086331836139478
1991	2.064918821110164
1992	2.281115944079812
1993	2.454142875783095
1994	2.3120702159408184
1995	2.6225836128558693
1996	2.69538613098765
1997	2.794577698025676
1998	3.0876498112230957
1999	3.4682484427416935
2000	3.6633061674895115
2001	3.3375660905833637
2002	3.6846920088909982
2003	3.825492927489911
2004	4.053428499536547
2005	4.62062291903464
2006	5.302370957280851
2007	6.499004121057979
2008	7.26198647174826
2009	6.976532623505487
2010	7.348597660143804
2011	7.294849243303581
2012	7.479175567321211
2013	7.195808989856607
2014	7.927538092415825
2015	7.780679975765915
2016	7.237136594254939
2017	7.62674838690443
2018	8.315115140048832
2019	7.11633385813369
2020	5.953473168678402