Year	% of total merchandise exports
1961	17.857142857142858
1962	17.82178217821782
1963	22.917584839136186
1964	4.878048780487806
1965	7.096774193548387
1966	5.384615384615385
1967	12.804878048780488
1968	35.41501976284585
1969	24.88734835355286
1970	29.66782182402164
1971	31.47240453047548
1972	33.160013418316005
1973	23.629095499493143
1974	43.18405319763358
1975	25.48579561004981
1976	62.33246980612039
1977	67.10515755172801
1978	65.0836831899392
1979	75.64817081207282
1980	62.265019173412874
1981	56.23670488130871
1982	31.64607705371691
1983	54.42088495020763
1984	53.43765173800801
1985	63.31770835598466
1986	61.118562475186714
1987	14.841947038148403
1988	45.40370245222316
1989	41.77940654977277
1990	50.233988269037745
1991	30.54189159499486
1992	37.72161003860604
1993	35.00794058511772
1994	44.120880981378654
1995	38.55683865778766
1996	48.95268342914802
1997	52.772669968155896
1998	58.44086615550121
1999	62.85556598073195
2000	21.92866261808282
2001	47.13646484155995
2002	83.37897432549747
2003	78.09874748868572
2004	33.133797259533935
2005	39.05257822565381
2006	7.560481960458616
2007	11.772343994634667
2008	13.050630659095223
2009	12.779545813597458
2010	25.611517910234337
2011	17.387925530033066
2012	32.0753983827
2013	32.67622706781874
2014	34.82607471677016
2015	35.63014262457399
2016	25.99790654751103
2017	26.573045785944405
2018	67.38475659195532
2019	67.48562555843182
2020	80.26265235622499