Year	% of total merchandise exports
1960	5.921281783350748
1961	4.67343976777939
1962	5.812608444187392
1963	4.4736137155103135
1964	3.45679012345679
1965	3.6585365853658534
1966	4.521214931602134
1967	4.878048780487805
1968	6.137658921525647
1969	7.916945457684919
1970	8.351574339114329
1971	11.30524351848253
1972	11.658697384626532
1973	11.000972381463797
1974	8.24082616588792
1975	11.403687365682615
1976	10.470635981012226
1977	9.960814466224479
1978	10.918354121177678
1979	12.425053968893764
1980	13.348271115572896
1981	15.829602197294232
1982	20.269541957221126
1983	13.889131345576427
1984	11.86634780558456
1985	10.299590359864641
1986	7.539291998449197
1987	10.71847167732291
1988	13.187849397184618
1989	13.534237708518832
1990	13.226738473199415
1991	15.122998195883971
1992	18.62902140806641
1993	23.116270171003773
1994	21.578063555550596
1995	25.13111091893269
1996	29.58657875403351
1997	31.21435178111993
1998	33.34160902420045
1999	30.924970023354348
2000	28.441987255876462
2001	26.87379326142964
2002	24.508094030050483
2003	33.05996945645706
2004	26.010414092800595
2005	33.338031037022134
2006	29.55333092042776
2007	30.359602973164044
2008	35.55603096058409
2009	30.501487892162395
2010	37.35573539179133
2011	34.7668546221955
2012	31.37559436365406
2013	37.81572973031043
2014	35.05671801023043
2015	40.12393610331076
2016	40.138061795051144
2017	39.34854512965627
2018	43.524237448042236
2019	22.729303018983916
2020	35.86277785835759