Year	% of total merchandise exports
1960	2.967679473703897
1961	2.668174583228617
1962	2.433963601379462
1963	1.6381860715396626
1964	1.4061255525094036
1965	1.404988756525154
1966	1.329461371712578
1967	1.1995737024899051
1968	0.7703848973690243
1969	0.8612708346001646
1970	0.9618778282617528
1971	1.2248964926107524
1972	1.1439598858724294
1973	1.4047919891354055
1974	1.6807253731208154
1975	2.18421319440974
1976	1.5101484299631462
1977	1.2899416794557357
1978	1.3279556300586128
1979	1.4192630895181337
1980	1.6930738209752507
1981	1.9044959321864234
1982	1.520541319775221
1983	1.5381066287976413
1984	1.5899363771162955
1985	1.3593290159846916
1986	1.088406442518598
1987	0.8758051295619709
1988	1.0162630472004002
1989	1.287688660103205
1990	2.1540273947056185
1991	1.3649159563406015
1992	1.6289951118499049
1993	2.035086420168787
1994	1.492772089040869
1995	1.3196986755630669
1996	1.4093974890308842
1997	1.4584226049484468
1998	1.523366112202936
1999	1.3585289986983684
2000	0.9831948248434159
2001	1.2325453648633824
2002	0.9344124968612456
2003	1.3388453277080024
2004	1.0404852612387474
2005	1.0540150303615698
2006	1.171422398812292
2007	1.171079362781701
2008	1.1830954317681157
2009	1.0980062430118818
2010	0.8415944465135416
2011	0.666892386281651
2012	0.8520355245325492
2013	0.6581797314571205
2014	0.827832527841757
2015	0.9870354913399566
2016	1.046968443458589
2017	1.1109570823140045
2018	1.0348744077705652
2019	1.5656743565884639
2020	1.5473377624350555