Year	% of merchandise exports
1962	0.01951184485178865
1963	0.027885157055566136
1964	0.14435761640839323
1965	0.11499299809693234
1966	6.393596353746882
1967	14.859277229510221
1968	19.884687142548703
1969	26.026890480793174
1970	27.225523275354774
1971	27.795633236532392
1972	27.109166977966552
1973	31.835958962890707
1974	35.90750364525292
1975	43.595910678323605
1976	42.355232328792106
1977	41.885629532720245
1978	38.49459566823728
1979	48.58300667329994
1980	52.48827867584278
1981	54.01541675945802
1982	45.935930439478234
1983	45.50493264046992
1984	44.286919554612425
1985	42.183188866716634
1986	24.268965754532235
1987	23.620345985878256
1990	17.275949216660766
1991	14.318603127346046
1992	15.100687833497478
1993	11.464691497187966
1994	9.47779972637927
1995	8.467574852266445
1996	10.506854251832682
1997	9.07238272997987
1998	6.435038990846769
1999	7.162744872643845
2000	12.08780120101518
2001	9.236244195846165
2002	9.353983649100133
2003	10.008214657456543
2004	9.578182112011447
2005	12.934485136563808
2006	12.982396829361365
2007	16.1951851598677
2008	17.31455033712586
2009	13.632176918498404
2010	14.172445543559542
2011	14.55224637320874
2012	16.780363524907425
2013	15.213285850124752
2014	13.186068132323033
2015	7.209697444100968
2016	5.644975931747095
2017	5.960581939740942
2018	5.689625596791743
2019	5.521958523710305
2020	5.669922618349711
2021	6.554095422664094
2022	8.026770043267833