Year	% of total merchandise exports
1960	66.34460547504025
1961	66.1756373937677
1962	64.38208310847274
1963	66.58291457286433
1964	60.811865729898514
1965	58.39255084538103
1966	56.411714529428494
1967	63.479809976247026
1968	58.96739130434783
1969	52.7063449281796
1970	55.58565223617011
1971	47.36519002961501
1972	33.68239722150918
1973	31.849863694775344
1974	49.48801243526285
1975	42.479782913416955
1976	58.11322583968055
1977	56.97557006923475
1978	53.01379097100709
1979	56.4690762756573
1980	51.11993910225875
1981	52.09596045928958
1982	55.7638837305945
1983	55.290648790125886
1984	52.67552634218651
1985	61.45893532664767
1986	67.82987141444114
1987	67.54869056737833
1988	65.08174092374894
1989	66.46708374206763
1990	66.37825798414123
1991	72.91784738423513
1992	71.08104024613819
1993	78.32994389035896
1994	79.39981244138792
1995	78.4004209418574
1996	76.44900953778429
1997	77.66256210844675
1998	81.87919563482625
1999	82.83244120935453
2000	82.70025628814425
2001	83.43845333993428
2002	81.61151240043142
2003	77.3663697348132
2004	76.78790080267545
2005	73.85501734808145
2006	74.22062304899201
2007	70.4944529952656
2008	68.12747823296151
2009	67.04923763451654
2010	64.87167663295746
2011	66.08926065052427
2012	64.45549941478916
2013	64.92494022880906
2014	73.01770944003108
2015	76.09466559251048
2016	74.09469275737844
2017	72.12560568895256
2018	72.23223384577791
2019	72.27363780754004
2020	71.61536024235248