Year	% of total merchandise exports
1960	0.12362461670425332
1961	0.12748620872406338
1962	0.5730883062441747
1963	0.2456241377569331
1964	0.2912267928649436
1965	0.3056529976099027
1966	0.2540931519354622
1967	0.2727741975192935
1968	0.2176591843947008
1969	0.21078805679368395
1970	0.325823716807411
1971	0.3021361730565476
1972	0.29980069201197374
1973	0.16690722606504668
1974	0.16740260728096348
1975	0.2835148119832393
1976	0.26898138504479385
1977	0.2758880896788264
1978	0.1577395839983069
1979	0.18526660016261506
1980	0.13038391710375996
1981	0.28402881571177424
1982	0.3939306844564643
1983	0.36399262306778907
1984	0.3486232930580052
1985	0.4320955472359596
1986	0.3843302661393439
1987	0.322249360774403
1988	0.49376415612276064
1989	0.7334344666199759
1990	0.8058365905423933
1991	0.9223213807300086
1992	1.8924844213838194
1993	5.600675273291582
1994	2.590653613306091
1995	4.6846113577446395
1996	3.784892926585104
1997	3.667124141732967
1998	3.2044685225549667
1999	3.5079286398832856
2000	4.890007892265145
2001	4.028337748051601
2002	4.21372322531662
2003	3.636745178498187
2004	4.812164538380612
2005	1.8001875251615937
2006	2.2720858552242906
2007	3.2428333876440187
2008	3.2243219919723516
2009	2.3619321401749516
2010	3.1699532346637684
2011	2.270012185369993
2012	2.271795703128359
2013	2.1920927481281236
2014	2.3467668369594588
2015	2.383275038886384
2016	2.25307874585392
2017	2.402335314603991
2018	2.4137084810212097
2019	2.226048056521044
2020	2.471535275282909