Year	% of total merchandise exports
1960	3.2674165956159413
1961	3.52783495285051
1962	3.2189531964205242
1963	3.5963798031120993
1964	3.5057130765975457
1965	3.670519827236767
1966	3.3427190272102068
1967	3.6025359275580766
1968	3.3160601343762934
1969	2.8526621721824954
1970	3.45144297186926
1971	3.319336664186244
1972	3.0261006577775857
1973	2.8563320390273783
1974	3.432924026528333
1975	3.3177234464331886
1976	3.00615358995227
1977	3.6392621673062573
1978	3.297817279720155
1979	2.3985413676341003
1980	3.2916004726030663
1981	3.4684009335906554
1982	3.107338860942091
1983	2.612132337763491
1984	2.4705145130440602
1985	2.258972634746236
1986	1.972003019843811
1987	1.9268028287764336
1988	1.8548839383081477
1989	1.8015332216220674
1990	1.5227421224836295
1991	1.3886320769245886
1992	1.2926245330704589
1993	1.286216834052939
1994	1.1697376813816664
1995	1.350393625635258
1996	1.154756737732766
1997	1.3636257872671869
1998	1.6568376210193754
1999	1.046986668481636
2000	1.1166973910397493
2001	1.1607702501535313
2002	1.1916662619260936
2003	1.1359915788525923
2004	1.1164637673452995
2005	1.2743261468788316
2006	1.2868016372539386
2007	1.2389817502328873
2008	1.260764575908636
2009	1.5258773109388288
2010	1.2790161957506798
2011	1.355100107374036
2012	1.3625480601978683
2013	1.425118753281144
2014	1.5198437484545968
2015	1.3509050086544752
2016	1.1341275585452326
2017	1.1212999779274682
2018	1.1578126012236
2019	1.1172182861988742
2020	1.127403120414416