Year	% of total merchandise exports
1960	0.3137386439908454
1961	0.21441510640153766
1962	0.20574464307860565
1963	0.25673793889146085
1964	0.3073131763684279
1965	0.405916679939822
1966	0.3430365531084239
1967	0.40991680124618357
1968	0.4018793426527894
1969	0.31414564596970423
1970	0.42099822109196056
1971	0.6484904853472656
1972	0.6500058030079509
1973	1.300443677111968
1974	2.1312510200407173
1975	2.5757351917311357
1976	1.554311839330755
1977	1.7857518118890445
1978	1.4991213504424867
1979	1.2028139692663358
1980	1.6261148101685194
1981	1.724174449970792
1982	1.9497981575697538
1983	2.55849283482623
1984	2.3062829018067563
1985	2.3223221530116778
1986	2.0462969093164904
1987	1.6206950529001194
1988	1.8243691029398126
1989	1.6156518917155926
1990	1.6485056391775075
1991	1.3024586967427079
1992	1.214285827369854
1993	1.0423427909735064
1994	0.8186336770579642
1995	1.0684485669703474
1996	1.1005598069728908
1997	1.1554593345319777
1998	1.058481886340776
1999	0.833423286052319
2000	0.7023934830470364
2001	0.918627697992131
2002	0.9816042167716323
2003	1.002682464175534
2004	1.1521551903918692
2005	1.0680789732033085
2006	1.1211514647887273
2007	1.1785754513146496
2008	1.2751313576631258
2009	1.4879794898510055
2010	1.568947239229719
2011	1.5743446044226224
2012	1.4473801545852218
2013	1.4025781253910585
2014	1.3904585465215713
2015	1.3680219464886683
2016	1.524644752100664
2017	1.615245590482618
2018	1.6018797003792753
2019	1.3679296913922419
2020	1.3474679876060192