Year	% of total merchandise exports
1960	5.421772796800324
1961	4.587988353984698
1962	4.627066330093083
1963	3.876698512024989
1964	3.5833578280736447
1965	3.535834719142646
1966	3.1310615465623117
1967	3.103842947525338
1968	2.7231244284755807
1969	3.1069748294881996
1970	3.4608235678693684
1971	4.299485419318487
1972	4.315501591271937
1973	4.040551394608723
1974	2.6551778961739894
1975	3.0968961881107093
1976	2.7666239607539533
1977	3.711156824885963
1978	3.270787297676886
1979	3.197798165184515
1980	4.915869736093017
1981	4.673999606460727
1982	3.7253770041967393
1983	3.398972512089328
1984	3.0759984329418346
1985	4.206353506020439
1986	3.957400785187817
1987	3.8143229957562843
1988	4.532545254566067
1989	4.523586237787321
1990	4.465055812944403
1991	5.104217868710741
1992	4.814107011779591
1993	7.255996545993408
1994	8.42196959204225
1995	9.384935706793701
1996	10.6721235922267
1997	11.350878450577888
1998	9.543468625191135
1999	13.727587142383818
2000	15.16559469977669
2001	13.62370766833722
2002	14.82401568970008
2003	15.462389220990575
2004	18.228514577198332
2005	19.631602814514057
2006	19.532567005706387
2007	24.905978921286493
2008	28.208841646999623
2009	25.442262578689938
2010	25.910155089224308
2011	26.336050528654802
2012	29.251907699413003
2013	31.439302689675152
2014	32.796843992836386
2015	29.763686381343362
2016	29.34926889240255
2017	33.061748739248074
2018	36.35136157318886
2019	35.45312820271163
2020	31.771335692375768