Year	% of total merchandise exports
1960	0.9688366115253328
1961	1.0969732952817355
1962	0.9098776434253444
1963	0.7675754304904159
1964	0.8898596448651054
1965	1.113559367363792
1966	1.0868488083377665
1967	1.2783084829045184
1968	1.5214379061936796
1969	1.5502526912624166
1970	1.607978000175661
1971	2.0372730463050184
1972	2.3496993605980157
1973	2.0981680259097315
1974	2.3089122895053027
1975	2.62394897648269
1976	2.0104241401103047
1977	1.8673006052806411
1978	1.9191184611538483
1979	1.5179140639703512
1980	1.5038004248992671
1981	1.453391126375204
1982	1.2328509099494245
1983	1.0915041693031604
1984	0.8475880978964078
1985	0.8882145975619651
1986	0.611032812297736
1987	0.620912001608306
1988	0.6780601212537037
1989	0.8267939792658758
1990	0.7064209806664677
1991	1.1055068297768318
1992	1.0634653612768452
1993	1.603648972563787
1994	1.719550103497326
1995	2.1827804093723935
1996	2.68696912570149
1997	2.070445879606204
1998	2.067777673082458
1999	3.004795425564626
2000	1.3823663057224644
2001	1.1182552940505348
2002	0.9453377560307032
2003	1.180166818850437
2004	1.1997336845626343
2005	1.2958015704311714
2006	1.399793014151739
2007	1.3778895267257691
2008	1.1626415183551893
2009	1.1916353032213154
2010	1.1715119736081767
2011	1.5257043319403545
2012	2.2822611293316224
2013	1.5643114049041174
2014	2.14185286064797
2015	2.179846644820989
2016	1.9638089567145418
2017	1.7831341307949806
2018	1.7832547316605232
2019	1.4029818751237337
2020	1.628765900274389