Year	% of total merchandise exports
1960	7.787332422801945
1961	7.100190062449091
1962	6.619600167761779
1963	6.222935499852361
1964	6.560606962558454
1965	7.124658766978653
1966	6.963630691022159
1967	8.202015334747681
1968	10.326220028619462
1969	9.685108133500904
1970	10.904608791981866
1971	8.755649867429074
1972	9.262007283201175
1973	11.844038904996765
1974	12.255981232981604
1975	13.62172677644635
1976	17.656843964979785
1977	17.316163567430472
1978	9.402834852335221
1979	11.47843146374099
1980	9.027563885614196
1981	17.989757321991025
1982	11.789263093269888
1983	8.744366160851975
1984	10.624532182602218
1985	6.051121949505978
1986	9.603914393018112
1987	9.32232772961552
1988	7.840806170727767
1989	7.2201189414883595
1990	6.152979061927419
1991	6.518828099656661
1992	6.099319687903333
1993	3.514913034561682
1994	6.72666790396395
1995	6.294212549267805
1996	6.2086850583294115
1997	3.723449531136083
1998	4.1891662963183975
1999	2.627724385981249
2000	1.2456535940274405
2001	2.7576780677446084
2002	1.7485523762705815
2003	1.5056161520765248
2004	1.5345562631904923
2005	1.2615351510005768
2006	1.4764549135674285
2007	1.2439612405544513
2008	1.1019873935819597
2009	1.2274985154155003
2010	1.288068053307914
2011	1.0469382776538332
2012	1.2222130673052245
2013	0.9448172461626587
2014	1.0168382634117008
2015	0.9244477064677508
2016	0.8570088450074793
2017	0.8677738858353234
2018	0.9600198149901871
2019	1.1449215239050987
2020	1.3907756783334988