Year	% of merchandise exports
1963	14.196566015567171
1964	16.206934967821212
1965	13.352613958590576
1966	12.041331633844154
1967	11.503383861297245
1968	10.55169178797292
1969	11.584711246499705
1970	10.664240609929347
1971	11.222118217018481
1972	15.035815863721075
1973	17.175025049377503
1974	18.40888390792161
1975	15.53388292647477
1976	11.725111166391228
1977	11.433001975470727
1978	10.626720361615538
1979	8.449222681600272
1980	5.438596090937143
1981	6.338169656791422
1982	8.34611454562598
1983	6.810154538563265
1984	6.4995104859868205
1985	6.057413090615144
1986	5.321369767710351
1987	5.3417787461329285
1993	3.981424941837488
1994	4.428207540513084
1995	3.3432223804960817
1996	2.568241036042481
1997	3.2503597541426954
1998	1.9743078886119863
1999	3.3284224885567295
2000	3.581054908307109
2001	4.5450503996499645
2002	4.48622426832096
2003	4.056184740140572
2004	3.8167510648022067
2005	2.9845206704051765
2006	2.872597270659805
2007	2.270614947501038
2009	1.5109991678280454
2010	1.2706537248821288
2011	1.078975958403363
2012	0.9633182314677416
2014	1.2071285137075594
2015	1.3930864173669746
2016	1.5211270725254928
2017	1.2463126433479983
2018	1.179277717434122
2019	1.397889713874331
2020	0.9296711555939393
2021	1.2025931162942218