Year	% of merchandise exports
1964	27.881183699115365
1965	28.856184502043902
1966	25.925157872602128
1967	26.531731836596578
1968	23.71196501341907
1969	21.759525350684623
1970	22.570095327955546
1971	19.262361288410133
1972	20.219310926646042
1973	13.026091617205216
1974	15.5387461608605
1975	13.860917986881493
1976	12.399851801880075
1977	12.419764607964526
1978	12.779770092341696
1979	10.665664422606177
1980	10.18997067708635
1981	9.01784737894075
1982	6.248314420071104
1983	6.346743622887787
1984	3.9945868878000166
1985	5.3182941244879816
1986	2.9682204213866035
1987	3.055329570789336
1988	2.994637006005669
1989	3.001170332792231
1990	2.076304539658727
1991	1.5328371593114216
1992	1.535431544730169
1993	1.2365811910485693
1994	1.2694305135349349
1995	1.3462099833486876
1996	1.2225931006157111
1997	1.209488273029439
1998	1.1965503607431354
1999	1.1509148696633031
2000	1.0398961798197301
2001	1.02358956472504
2002	0.9341029428505806
2003	0.8711432492225297
2004	1.1096025946212755
2005	1.1234146616375804
2006	1.3341361392773194
2007	1.5848288649810387
2008	1.787810002404956
2009	1.5330043428703564
2010	1.9500838508978622
2011	2.477400282169277
2012	2.3213985322392783
2013	3.292700101789211
2014	2.877698153623202
2015	3.925235483755535
2016	3.854242851883802
2017	3.9477810853848454
2018	4.2665190464230625
2019	3.8605594297373194
2020	3.502939745901543
2021	4.7180260081469445
2022	3.9457669178313433
2023	3.7904618479107492