Year	% of total merchandise exports
1960	5.912040374909877
1961	8.15032122721909
1962	7.301059831265828
1963	7.453894200882153
1964	8.012186781073183
1965	7.068749556873774
1966	7.779563950567668
1967	6.367430248027263
1968	5.9491017047715244
1969	5.512251780741404
1970	6.702052708883131
1971	6.638143605989842
1972	5.815733522324592
1973	5.7354910460972786
1974	7.489706687683084
1975	7.659123657034192
1976	6.258005083844016
1977	6.242896928258689
1978	6.4048349597155525
1979	5.696667181255253
1980	7.627437692944808
1981	7.426499503625869
1982	7.583509849087804
1983	6.821930873810697
1984	5.947042647845458
1985	5.205790600738475
1986	4.795038201124966
1987	5.029365656961017
1988	5.618125651007293
1989	4.651549596522722
1990	4.840841599258943
1991	4.649666636926676
1992	4.804436953421318
1993	3.9131761540596055
1994	4.017628611162507
1995	4.615557458252788
1996	4.447385743233603
1997	4.392221819637066
1998	3.3448063562672945
1999	3.139561808884354
2000	3.386964663613565
2001	3.506230514072702
2002	3.475185138810692
2003	3.852253479552726
2004	4.588530815306345
2005	5.035028382056982
2006	5.9215198233301996
2007	6.958960820648735
2008	8.035457697018565
2009	9.38819101259223
2010	9.410590752611586
2011	9.94849168069535
2012	10.12878184464569
2013	9.995771576831409
2014	9.134673428668824
2015	9.816987914577048
2016	9.890961747946612
2017	9.879923420385921
2018	10.3220086286581
2019	9.660520908858592
2020	10.670747507843258