Year	% of total merchandise exports
1960	12.301255230125523
1961	4.4424297370806896
1962	3.457216940363008
1963	5.980861244019139
1964	8.462732919254657
1965	7.089241034195163
1966	7.3811213626685594
1967	6.956521739130435
1968	9.529780564263323
1969	9.979064898813677
1970	14.102354924675042
1971	12.026306107431935
1972	6.999710489915399
1973	9.198994337272962
1974	6.873535161523756
1975	10.150463774210882
1976	4.570841055063339
1977	5.366376046556908
1978	8.019522034325643
1979	5.63661367142953
1980	3.886493963444932
1981	7.851167548128634
1982	5.69251320663064
1983	4.927971898062925
1984	6.001413519570736
1985	6.232091690544412
1986	9.525185844595766
1987	6.469819530770636
1988	7.5260899436494
1989	10.041502254834159
1990	10.454225757820069
1991	9.897742241466116
1992	9.809508984913236
1993	9.974846241065311
1994	8.218004118049087
1995	8.63068848596124
1996	7.6525758035678
1997	7.216891301221732
1998	6.666891078816869
1999	5.8338685499228315
2000	8.080716456515313
2001	8.313250137536714
2002	9.031696138563026
2003	7.697467327652899
2004	6.950117452832225
2005	9.232148389625815
2006	9.53132050519456
2007	9.269705298511
2008	9.877835720608946
2009	12.591405182978182
2010	11.018045431936526
2011	10.425171539790199
2012	11.16485371863319
2013	11.181608627183925
2014	11.259479174585769
2015	11.471271584772479
2016	11.609698175676609
2017	9.234171978589318
2018	9.477434435562996
2019	9.763543359229764
2020	12.203962841241609