Year	% of total merchandise exports
1960	18.41789852177387
1961	19.643989385435503
1962	19.211519887610855
1963	19.14548623778832
1964	19.134807108799308
1965	18.785104073252466
1966	19.032502113898325
1967	19.5119605391517
1968	18.46517601027377
1969	17.784095475367675
1970	18.024655646211045
1971	17.884816453973848
1972	18.4425057208238
1973	17.76551219654116
1974	18.19697209795581
1975	18.1583027126106
1976	18.977723710188858
1977	19.067222893109378
1978	18.741370641425707
1979	19.2246019119534
1980	19.26110340628488
1981	18.745179307915976
1982	17.962343153033167
1983	17.170731858136207
1984	16.947910362884947
1985	17.199873297434273
1986	16.644187946935318
1987	16.984966601441712
1988	16.958522661074216
1989	16.997259719300377
1990	16.674690072654673
1991	16.217474186119667
1992	16.14470325555741
1993	13.665765400293559
1994	14.142684103268904
1995	13.499903851674807
1996	13.661556800682925
1997	12.513007040066896
1998	12.262789519232758
1999	1.5074812970979274
2000	0.8014786102240548
2001	0.8297890524984626
2002	0.88064571125335
2003	0.8870735929697581
2004	1.1313555750741973
2005	0.9233741435217127
2006	1.1701885855517733
2007	1.0486712089246553
2008	1.1316618814757051
2009	0.9588388917530426
2010	0.9893410506063535
2011	0.8115647723609297
2012	1.0959486874461646
2013	1.9172053734396892
2014	1.5320598241254233
2015	1.3927201817187373
2016	1.2628606336070773
2017	1.562246602715987
2018	1.7100550579470426
2019	1.7914281812203288
2020	1.439547057411091