Year	% of total merchandise exports
1960	5.97552189084859
1961	5.030053359676626
1962	6.017750181637747
1963	4.366017742822613
1964	3.86982386982387
1965	3.2850088111497073
1966	2.8694427173921597
1967	2.4124609800085235
1968	2.0199665239895404
1969	2.1855704050498725
1970	2.0287471097555265
1971	2.1938946284417242
1972	2.427925947892363
1973	1.6250410368267927
1974	1.296804982503842
1975	1.0868885293241468
1976	1.2105436968637644
1977	1.3203553075182446
1978	1.4311860877539246
1979	1.2868382207966542
1980	2.146780400655159
1981	1.5074120275797935
1982	1.4751702833652414
1983	1.3689755507997943
1984	1.4765044985255593
1985	1.4587799934563117
1986	2.0775573204392264
1987	1.942070756330656
1988	1.8079959843268982
1989	1.426757703622348
1990	1.8426053845452954
1991	2.147386994709689
1992	3.1749300722258367
1993	3.3927344203817786
1994	2.7505088854131903
1995	2.942904559196822
1996	3.294576245199146
1997	3.2447516682443127
1998	4.389785178660421
1999	6.089140774325499
2000	6.312922779508008
2001	5.295528623307053
2002	5.093560369909643
2003	4.973224987936176
2004	5.365555917062153
2005	7.049073443121344
2006	6.9871616574242426
2007	6.353070380509535
2008	8.654666506162453
2009	7.987300258654948
2010	9.602442613185291
2011	10.687156304544104
2012	11.675695843379081
2013	10.800054316219184
2014	12.245919181647787
2015	12.563693229168033
2016	10.717341002878223
2017	11.25055316537049
2018	11.931853563808705
2019	11.017982494271626
2020	8.070044132575289