Year	% of merchandise exports
1962	45.56937497039408
1967	28.51549576533466
1968	27.7727548808642
1969	28.87723377753767
1970	34.78269020943813
1971	31.36079101680782
1972	24.582477223569544
1973	30.822829937463286
1974	16.506914556466217
1975	12.313339489107701
1976	15.73625766973704
1977	14.560975152975498
1978	15.176602874764178
1979	18.326318826718435
1980	14.140045226208088
1981	8.217188372834718
1982	5.7633012855459445
1983	6.325035346003112
1984	6.696067990290584
1985	5.976951569393872
1986	7.723464370338657
1987	9.373042871887195
1989	9.23454626044995
1990	5.065645460984736
1991	5.2218339511900425
1992	4.661251932888877
1993	4.191442829556932
1994	4.886076021898079
1995	6.656307970895124
1996	5.833137794784913
1997	4.6198700600429
1998	4.483164030593365
1999	3.75239922407934
2000	3.6020729945918117
2001	3.590183246114436
2002	4.327978067128219
2003	4.952056479968955
2004	5.021579451373028
2005	5.058585569174738
2006	6.402573983079858
2007	6.243683667784081
2008	6.398911698212505
2009	4.520105744148563
2010	6.545518902611621
2011	7.507576308238803
2012	5.962610866512474
2013	5.855540024870581
2014	4.940893220854476
2015	5.002885481181249
2016	4.820248663685123
2017	5.990299743029015
2018	5.094333818863171
2019	5.454534398521131
2020	5.1039559914548285
2021	4.625106021046828
2022	3.7603015685600525