Year	% of total merchandise exports
1960	8.794153490177736
1961	8.990990329469572
1962	9.273469894598676
1963	9.318392765846948
1964	9.416952705530512
1965	9.904260544366734
1966	9.471906076967173
1967	8.769259645996089
1968	9.169842134611999
1969	9.577080478784804
1970	9.687779898198919
1971	9.468863871582489
1972	9.017391853359886
1973	9.415708611734875
1974	8.047204060473202
1975	9.1923878853802
1976	9.037282272829843
1977	8.762421052184163
1978	7.9216991130423295
1979	7.595679850386432
1980	7.470687785365963
1981	8.438230254649644
1982	7.113485466848693
1983	6.869592034417988
1984	7.143706830710574
1985	7.150535444064776
1986	7.726046695312137
1987	7.424126658002543
1988	8.286559296554111
1989	7.359256711876876
1990	7.061753969972022
1991	5.703893300742299
1992	5.61250365427381
1993	3.9643436022420193
1994	3.8656134596084843
1995	4.320756101812682
1996	4.098378532759293
1997	2.456828828307963
1998	3.399046843874704
1999	2.780683007607193
2000	1.9316676926601126
2001	2.4759798969803555
2002	1.9550406125028563
2003	1.4395514878472526
2004	1.4298552214410225
2005	1.3747190473346997
2006	1.1416338227514808
2007	1.1932790690006647
2008	1.2142962093152865
2009	2.6647647317744863
2010	2.2747783650151128
2011	2.942316682506344
2012	1.2774620375090397
2013	1.1645538319730178
2014	0.9219385018086171
2015	0.8879607464652507
2016	0.8893430846433021
2017	0.8254949762300829
2018	0.6677017045264404
2019	0.6416727227519807
2020	0.6407830677773628