Year	% of total merchandise exports
1960	7.163390416324026
1961	6.517749933180945
1962	6.6561915202584006
1963	5.206617074431492
1964	4.712092982242364
1965	4.794504007805749
1966	3.941519897282349
1967	3.9263996595645327
1968	3.2101984482936863
1969	3.6219314790592567
1970	4.393811905411707
1971	6.441171836952421
1972	6.4988669484951185
1973	6.035424226488748
1974	5.037558791708728
1975	5.2951766457331155
1976	4.243941004909211
1977	4.270848323197541
1978	4.059133992711319
1979	5.212833700955157
1980	4.585670264151884
1981	5.442988228607424
1982	4.446837232736297
1983	4.501803182442343
1984	4.141923524196723
1985	4.2085859695934635
1986	4.088897461732908
1987	4.005845769119403
1988	4.456491425972608
1989	5.50819614452434
1990	6.666036842083842
1991	7.158559610149282
1992	6.21301188016221
1993	12.33482892902376
1994	8.892905865819882
1995	9.757150191759685
1996	10.049581390047086
1997	9.522176623824398
1998	8.268979944344068
1999	10.127398009771845
2000	13.871723229612126
2001	13.56631653911905
2002	14.446659223687572
2003	15.250629118053885
2004	19.035058168394425
2005	20.420990492227574
2006	14.340026590307126
2007	13.83203868350797
2008	14.491303918318653
2009	12.9160999024612
2010	13.779888842489921
2011	14.888622907318002
2012	15.035843337156834
2013	17.347724559376896
2014	17.050554491878692
2015	19.54453770212863
2016	19.85689702321973
2017	24.76185545426158
2018	30.440338963813502
2019	27.762953258781568
2020	26.16040809408618