Year	% of total merchandise exports
1960	11.929307805596466
1961	8.267716535433072
1962	3.684210526315789
1963	3.360370799536501
1964	1.755926251097454
1965	2.122820318423048
1966	4.454787234042553
1967	7.489760093622001
1968	7.306310688145705
1969	8.055865301653457
1970	7.800387172501992
1971	9.93484191036169
1972	22.51650669628927
1973	26.339486717694733
1974	29.48321796964204
1975	35.93058649376915
1976	32.77156207782932
1977	24.438368813909168
1978	27.103898044737925
1979	25.952391503441756
1980	33.12186519941092
1981	42.66777494481958
1982	49.86244290712893
1983	54.09497661175513
1984	51.799346390174875
1985	59.108408115924796
1986	61.125027329231344
1987	54.52418685382236
1988	44.36492549375528
1989	39.723729659680295
1990	40.49103939887295
1991	46.438270252641054
1992	32.294539460036795
1993	34.92076902100707
1994	34.5678176624575
1995	32.56805451990389
1996	36.473795142213795
1997	38.05479128999292
1998	36.99478290798535
1999	29.36551307995981
2000	34.099019662423196
2001	48.15751845402949
2002	44.3583669002391
2003	50.72043107011391
2004	51.76782250884894
2005	58.68833585145826
2006	58.482104315240356
2007	55.09235759238836
2008	59.48900141476112
2009	51.36484927205471
2010	53.287422118472975
2011	54.48565448470867
2012	60.18063066800502
2013	65.88909050374005
2014	60.273235760675256
2015	56.68222472455249
2016	45.922277118413575
2017	44.11277632251607
2018	46.85315289766204
2019	44.65158521922522
2020	46.30006864081218