Year	% of total merchandise exports
1960	0.07874635798094339
1961	0.6987522281639929
1962	0.22249690976514214
1963	1.499751226099936
1964	0.1467607799287162
1965	0.1128314423619382
1966	0.17231476163124643
1967	0.21757524477215034
1968	0.09034863945578231
1969	0.4540300032028809
1970	0.8041280031551616
1971	0.9082138919514884
1972	2.2879751419993304
1973	1.7227527908627476
1974	0.6546496605357208
1975	1.3555350340528687
1976	0.5628192659878106
1977	2.0857980853202394
1978	1.7631279987287645
1979	1.5565984498321483
1980	1.1943715489170665
1981	1.6533191348347218
1982	1.7407923322620331
1983	2.377703152300957
1984	2.4244311623813064
1985	3.921575510503377
1986	3.331084932844846
1987	2.51316706048951
1988	3.7215583892478312
1989	4.396274550163523
1990	3.7381290777970957
1991	3.3773390608422105
1992	3.6743048379016527
1993	4.63680284821363
1994	4.344045505348681
1995	5.514496896424161
1996	4.977469559249262
1997	4.574493047779805
1998	3.247980775549988
1999	2.9953214487403343
2000	3.261880018632868
2001	4.738039001230779
2002	6.076176771074533
2003	7.766598234304147
2004	7.386733170914359
2005	7.6016319619478505
2006	7.783137582941814
2007	8.801955107069858
2008	10.677216723585698
2009	15.035759797319734
2010	17.88569745288859
2011	19.88092042392145
2012	20.03722631061626
2013	21.99947328147627
2014	21.61394369346957
2015	23.167129660343004
2016	23.268162956902437
2017	25.67022357741124
2018	29.73240473009494
2019	32.0278583829883
2020	37.40042186347693