Year	% of total merchandise exports
1960	2.1671826625387
1961	2.96220633299285
1963	2.803738317757009
1964	1.04
1965	1.6033755274261603
1966	3.277439024390244
1967	2.779984114376489
1968	1.3888888888888888
1969	0.9402612122929495
1970	0.925541843824536
1971	0.43656393903731305
1972	0.998162997013782
1973	1.0197353246844871
1974	0.548326239406379
1975	0.8790497242503406
1976	1.3086529066331736
1977	0.18072950295110754
1978	0.09604690499506599
1979	0.17791124068331357
1980	0.25466340612667226
1981	0.40776953656183823
1982	0.41154898073102464
1983	0.48909591171724714
1984	0.13987901096511665
1985	0.530768787517461
1986	1.3337549807096327
1987	0.5770853908166321
1988	0.2296050453815928
1989	0.6976504630713476
1990	0.5254273856724271
1991	2.5703698890026923
1992	2.5736350716536247
1993	1.5604257461514235
1994	2.1340942430260688
1995	0.48086133113932833
1996	0.7633132237144487
1997	0.834663716925956
1998	0.8982306226045076
1999	0.9978772024126429
2000	0.9643421510781264
2001	1.3030914165154288
2002	1.5087907267319072
2003	1.594562495322735
2004	1.7970738472019891
2005	1.0963010667587954
2006	1.1545323208953648
2007	0.7084980787223771
2008	1.7212668809741982
2009	1.2374338287420539
2010	0.774079859227294
2011	0.7097288343491058
2012	0.6569044719599207
2013	0.532873376591416
2014	0.6323110573407043
2015	0.780247713133564
2016	1.2452052008442727
2017	0.8763734668095176
2018	0.700067155895958
2019	0.930987436164512
2020	1.0063614824809486