Year	% of total merchandise exports
1960	3.9192493688815935
1961	3.4157501485975974
1962	3.9306931340039637
1963	2.550501056149621
1964	2.73383179629015
1965	2.0670917204212667
1966	1.8755159444904115
1967	1.9683543767517222
1968	1.7029397981778933
1969	1.8491917150408252
1970	2.0031466300599035
1971	2.3737941083616634
1972	2.8972909605414676
1973	1.9890246830931713
1974	1.5482533373772673
1975	1.1303994279519978
1976	1.5303187328822243
1977	1.3890978809413164
1978	1.379240872619219
1979	1.3932426621218499
1980	1.10635489538952
1981	1.4724837124202752
1982	1.2433213678649526
1983	1.0694764657325693
1984	0.925761564911666
1985	0.8353214518241701
1986	1.5935223796156042
1987	1.6866702040016563
1988	1.1543619452570988
1989	1.4301110142588374
1990	1.858097730700244
1991	2.3530424934945096
1992	1.6101877693658477
1993	2.131484137359708
1994	2.2432065215932417
1995	2.4127493118402548
1996	2.1336114643783417
1997	2.247300458870846
1998	2.2851438826408987
1999	2.6708607660950334
2000	2.838099756635276
2001	2.8859534695358584
2002	2.96850720314175
2003	3.2412829507341723
2004	2.5250396064371907
2005	2.378308579406812
2006	1.8327075105526063
2007	2.1267827475514123
2008	2.7654793209236543
2009	2.4160335765590633
2010	2.292466022023448
2011	2.496017567074929
2012	2.5954764281015157
2013	3.3741205574668456
2014	4.3715105554904605
2015	7.3429090940054484
2016	6.005075775518278
2017	8.10634955248346
2018	8.961953449808613
2019	8.552573849925691
2020	5.770150264188467