Year	% of total merchandise exports
1960	7.375045737285035
1961	6.232396746355422
1962	6.047142931833068
1963	4.913348899989162
1964	3.8028088563941824
1965	3.9217842548873656
1966	3.4949009972625755
1967	3.704355903724604
1968	3.1752360063524407
1969	3.7339832975328764
1970	4.51229253696524
1971	6.28075871410941
1972	6.236110867389547
1973	5.981179570905016
1974	4.721944462496973
1975	5.069690199603598
1976	4.880972323783385
1977	5.885941736529438
1978	4.176244716828192
1979	4.417898164698662
1980	4.2217028992413335
1981	5.596959126912244
1982	4.890879051713806
1983	5.0733291874540605
1984	4.86559359565915
1985	4.492954777533853
1986	4.67880263276304
1987	5.357621498100865
1988	5.5075997935056495
1989	5.530747356810429
1990	5.585535102272996
1991	5.641172694669499
1992	4.681104965421732
1993	6.835356614815213
1994	8.775343696994153
1995	9.117068476525771
1996	10.962947826767099
1997	11.246476109818811
1998	7.778154577492981
1999	9.499676264559273
2000	13.75423583052767
2001	12.158809443206756
2002	12.69007920773795
2003	15.047230317149204
2004	15.754150589150317
2005	19.475768087916656
2006	18.8382819181379
2007	28.28904449331115
2008	30.306573350541733
2009	26.597267523842937
2010	25.6179354174964
2011	26.47630723915907
2012	31.101186938253612
2013	31.148290722272883
2014	29.62537164943948
2015	25.727461844551325
2016	26.747846187988994
2017	30.37897732979595
2018	32.32127849307883
2019	30.48248605348174
2020	27.734102558477968