Year	% of merchandise exports
1962	22.831812986898985
1963	22.07573055349763
1964	24.037113658388115
1965	30.500039587438803
1966	26.212051351971887
1967	22.906537629631664
1968	20.921771920983787
1969	17.392739416593848
1970	18.994133821594765
1971	16.593311092694023
1972	11.647428608015469
1973	10.923564034828823
1974	15.02191520405611
1975	16.009673180406363
1976	10.20149598236518
1977	7.4909869987249955
1978	5.669540485460674
1979	3.704487449767978
1980	3.616305034138249
1981	2.6797460074410995
1982	2.9018159128785985
1983	2.7703633922527597
1984	2.679136668764011
1985	2.509467765873859
1986	2.52829478608376
1987	2.1443159731530774
1990	1.6484771791716215
1991	1.0627064268840711
1992	1.2997729370745714
1993	1.4479564017737472
1994	1.347780343456835
1995	1.7200798201796763
1996	1.5931124815701765
1997	1.246301246864566
1998	1.2428398981994155
1999	1.3605516198926133
2000	1.5410134919628693
2001	1.3940082227871184
2002	1.3867044265162305
2003	1.3357836462553114
2004	1.0699598092612868
2005	1.1528723753659018
2006	1.2410007220024655
2007	1.3695508236160936
2008	1.7185176967008948
2009	1.2452697406345894
2010	1.5605867820526738
2011	1.6529229345350622
2012	1.6904108972115497
2013	1.4974018861158072
2014	1.5901572078176707
2015	1.3988740015934369
2016	1.624686500363073
2017	1.8218383173318813
2018	1.8364515184513184
2019	1.7504561262609113
2020	1.8316698697707277
2021	2.027200533862327
2022	1.7762858318213424