Year	% of total merchandise exports
1960	1.6770248606783242
1961	1.523856867164743
1962	1.3409245396262206
1963	1.215005780596644
1964	1.2864401799344
1965	1.393648568962423
1966	1.2138078837766424
1967	1.0766195407263854
1968	0.8452161840690208
1969	0.6958266129995379
1970	0.5809052538832383
1971	0.5488115525849185
1972	0.5141502555751498
1973	0.5085477063556759
1974	0.5251478011011912
1975	0.6496059491531748
1976	0.532453437257587
1977	0.5586239521702672
1978	0.6198890718866514
1979	0.5825616880629553
1980	0.5902470449621459
1981	0.6963780798679715
1982	0.670650948917926
1983	0.6530324536629105
1984	0.7109311302842107
1985	0.770735892852445
1986	0.8127881825827082
1987	0.7377362836143408
1988	0.638648148437026
1989	0.6226615738259452
1990	0.5512430411346524
1991	0.5166708977232484
1992	0.5179942157001439
1993	0.601179512727268
1994	0.6011563398278852
1995	0.6388132484392007
1996	0.6338061672406187
1997	0.6727965489397978
1998	0.5756766938304781
1999	0.6093610173156181
2000	0.6035609282410619
2001	0.5483301549875734
2002	0.6077746884805246
2003	0.593485300326944
2004	0.6814206449494852
2005	0.7747219059283053
2006	0.8147663577258268
2007	0.8908540841119753
2008	0.9032858945570599
2009	1.0245960307505513
2010	1.07956278817031
2011	1.0931650767224494
2012	1.0375183744944216
2013	0.9463276766074441
2014	0.9580149814923632
2015	1.004591402075407
2016	1.019824587615922
2017	1.0679275205704961
2018	1.0747901435827203
2019	0.9981643249685236
2020	0.9146830680762811