Year	% of total merchandise exports
1960	2.20572918216609
1961	2.0041979822601395
1962	1.9509384324766736
1963	1.8052064116121918
1964	1.5360784163933172
1965	1.4515710971503655
1966	1.4990865172943428
1967	1.3885363978154521
1968	1.0286144305220593
1969	1.1363617640804873
1970	1.1696172280241648
1971	1.3953345171169917
1972	1.3676178850433214
1973	1.4684929929827257
1974	1.2134011203383521
1975	1.609641111674821
1976	1.0062395451706163
1977	1.0628496706171178
1978	1.316696668173949
1979	0.9644798962551404
1980	2.0788250375353963
1981	1.703353821647032
1982	1.982147580228381
1983	1.5805948458305086
1984	1.362126880041502
1985	1.1757375424740262
1986	1.3705437589661056
1987	1.2482873902911962
1988	1.1873695919782092
1989	1.1351491837496948
1990	1.46846017483356
1991	1.1635231839815279
1992	1.8717421870150754
1993	1.8049090783213453
1994	1.8681814725128956
1995	1.926672581105239
1996	2.189436972827326
1997	2.0665945351161454
1998	2.2363349840960605
1999	2.03808285501729
2000	2.7115881398462505
2001	2.7688835541258876
2002	2.9606884778560074
2003	2.4180865769929576
2004	1.9298312734212928
2005	1.9923330109068487
2006	2.38812716900111
2007	2.2853474761568795
2008	2.257686939442867
2009	2.5796068285593234
2010	2.670943032296758
2011	2.4161810412689935
2012	3.096844779026809
2013	3.1849137236071625
2014	3.455958510190886
2015	4.045853327600991
2016	5.56813017679
2017	5.283762535825279
2018	4.574606397513146
2019	6.162684549428369
2020	7.3951343640510325