Year	% of merchandise exports
1962	1.0327471699920907
1963	0.5070807389566606
1964	0.9261094291453911
1965	1.1953074354051552
1966	0.7391257485711854
1967	1.3747294773422996
1968	1.4171486817592722
1969	3.6147584650136224
1970	4.137998037894777
1971	5.52281530440418
1972	3.326684366445909
1973	4.95183220704476
1974	3.8704642949953967
1975	1.9600067286908527
1977	3.809297012147861
1978	4.443351440763792
1979	3.3779266332628057
1980	3.0626703646630333
1981	2.1112061347222424
1986	2.4373856569513914
1987	2.4266474961837234
1996	7.1362483132128025
1997	8.009886282281197
1998	5.533667573039593
1999	2.7165036997678373
2000	1.7466833664003119
2001	2.3297173243278237
2002	3.3340313720550068
2003	3.448590988365411
2004	2.7749017804522746
2005	2.1051645389346554
2006	5.154850398845698
2007	2.915328209470346
2008	1.554136195088917
2009	0.9968373133539108
2010	1.3390636545443624
2011	1.4348965871437538
2012	1.733070525945462
2013	2.3902438008079883
2014	2.2855511171226732
2015	1.9321109487300747
2016	1.9455999743323893
2017	1.8058972531899007
2018	1.8289158611348433
2019	1.079285037291041
2020	1.3729110619892995
2021	1.2314152308148796
2022	1.4320971695092795