Year	% of merchandise exports
1963	1.6820708285687078
1964	1.1381493335329247
1965	1.5084999997379254
1966	0.7282663795935932
1967	2.3000516854148714
1968	1.0723526355636865
1969	1.4041270957219874
1970	1.5194389326782223
1971	1.1884116515064365
1972	0.8598837933460666
1973	0.7536419842877938
1974	1.3200354633232656
1975	1.3246334456224247
1976	0.662230864733285
1977	0.6628968450324304
1978	0.4105684973331042
1979	0.47928212063585507
1980	0.6466427447798168
1981	0.6521151250278465
1982	0.6325730955466831
1983	1.1456144251239209
1984	1.2010070555389913
1985	1.2694702259143422
1986	0.7814843437076252
1987	0.7200864275470442
1988	0.5435557253593616
1989	0.4703506036539379
1990	0.6319110429793652
1991	0.594795085386149
1992	0.5806862960075807
1993	0.5871388095798097
1994	0.47838274221003624
1995	0.4346746607256156
1996	0.4087826203773271
1997	0.4160041732282411
1998	0.264724263315951
1999	0.2643342746500758
2000	0.3440137481611952
2001	0.3205562041114959
2002	0.3849092740473797
2003	0.2425541543259178
2004	0.4746367917782962
2005	0.6983216351685987
2006	0.6479725049938386
2007	0.7579062057612427
2008	0.9401614749231729
2009	0.6791630911246768
2010	1.1301166315736932
2011	1.452645251666097
2012	1.7608725168456125
2013	0.9225466681973099
2014	0.9141147574838496
2015	0.6876104994977891
2016	0.579429251892252
2017	0.808444693249705
2018	0.7267233450007671
2019	0.5808823029203061
2020	0.48076376071733024
2021	0.5736293671160364
2022	0.8434809990406992
2023	0.4846413502085669