Year	% of merchandise exports
1962	20.203393695019187
1963	20.52364760447029
1964	20.2906194761028
1965	18.01630881596952
1966	18.584310482333215
1967	17.14527968284369
1968	17.533437979647243
1969	15.167499102671135
1970	16.351476687967534
1971	13.931495740527115
1972	13.646632133750705
1973	14.533707448319426
1974	11.312210678676674
1975	8.404152692619865
1976	8.17164161972954
1977	8.104418188547132
1978	7.0231172939553215
1979	7.4387858524095
1981	5.888681859112444
1983	6.702163450276692
1996	9.704601910218697
1997	9.023018333642133
1998	8.291281879438515
1999	8.080022521831035
2000	7.305373778177011
2001	6.358575412285491
2002	5.915997132478763
2003	6.875580245525862
2006	4.222408339763203
2007	5.652095308536607
2008	5.3461273848540145
2009	4.345598230454472
2010	4.17173313530721
2011	7.645550689949486
2012	7.401035223168198
2013	5.040518968614356
2014	3.6214802594866105
2015	3.308715113457797
2016	4.53111319241971
2017	4.2628917162295945
2018	4.270316808970737
2019	4.560222693924738
2020	4.977988518350666
2021	5.756701737383038
2022	4.260767411492622