Year	% of merchandise exports
1963	9.074976538990343
1964	9.178334377242148
1965	8.807710143833404
1966	8.732498518027022
1967	8.244864633104068
1968	7.920714929025388
1969	8.096670637460372
1970	7.559972088901401
1971	6.777059591555915
1972	6.723007743131604
1973	7.316157233303041
1974	5.932851829312566
1975	4.860033248004734
1976	5.501974309404932
1977	5.10341641871233
1978	4.9360069274374565
1979	4.942352292410565
1980	4.569480874841477
1981	3.9621979605219617
1982	3.6714679329718396
1983	3.668323910096664
1984	3.986762040756686
1985	3.678324854985577
1986	3.7803324040614945
1987	4.141629715269443
1991	2.79972160808582
1992	2.596358509461832
1993	2.359797492184239
1994	2.5437075171618533
1995	2.625214871037248
1996	2.36236262972361
1997	2.24302462226935
1998	1.9815747664960262
1999	1.8739630847600608
2000	1.809678166102022
2001	1.6824126352146258
2002	1.686702797371826
2003	1.6891684607830058
2004	1.6414241832561136
2005	1.5549136514607727
2006	1.506004302466713
2007	1.515137821336247
2008	1.3987427933252075
2009	1.3751207162954069
2010	1.5571081940378064
2011	1.6782465123049395
2012	1.5730204599016668
2013	1.519952973230841
2014	1.457392553574398
2015	1.4713680619518645
2016	1.4800659194918298
2017	1.4574115608224183
2018	1.4326221957294802
2019	1.3509300701580944
2020	1.3634370830330316
2021	1.4103761180250491
2022	1.283464701063663
2023	1.1383859436340533