Year	% of total merchandise exports
1960	0.8264462809917356
1961	0.5673758865248227
1962	0.8583690987124464
1963	0.2812939521800281
1964	1.5806111696522658
1965	0.730816077953715
1966	1.0895883777239708
1967	1.002865329512894
1968	0.3147953830010493
1969	0.6529744504764435
1970	1.06857588155075
1971	1.3412554895375872
1972	1.3068699200701492
1973	1.201972079819402
1974	1.962285300289114
1975	2.145337113573995
1976	0.9798456889723355
1977	1.1289660666435992
1982	1.5468308139600913
1983	1.8195150445557478
1984	1.7930969151966656
1985	1.8352360939831898
2000	12.171456132756708
2001	27.619951987884907
2002	28.792349255824984
2003	17.711887953240915
2004	42.16655777146924
2005	43.661893655181515
2006	21.342533616605643
2007	19.31204284615773
2008	15.875899946691932
2009	35.59643964103773
2010	15.386789282284319
2011	11.055349607621345
2012	14.985296418730712
2013	10.050734887137601
2014	8.19737993400044
2015	14.344907721040814
2016	34.01760169104365
2017	29.65675760853868
2018	34.28782480704612
2019	49.46935657942774
2020	89.01345549847527