Year	% of total merchandise exports
1960	0.1910828025477707
1961	0.12499016685750247
1962	0.08486492333036583
1963	0.2088984504100022
1964	0.23408737843416827
1965	0.38193505171902975
1966	0.2290154135766572
1967	0.28759092561086735
1968	0.2747986522024984
1969	0.3835588517322685
1970	0.13215873770003647
1971	0.1020082689888844
1972	0.0911948303930521
1973	0.12284357539458911
1974	0.1611575076841965
1975	0.3275653015762612
1976	0.284181124660403
1977	0.45183550449815413
1978	0.40863747609677065
1979	0.36062105548675555
1980	0.5336322098888748
1981	0.6785953938811194
1982	0.6223417464321941
1983	0.6939344780970499
1984	0.49481582193784956
1985	0.5286718171228163
1986	0.6586419959012945
1987	0.6301901201084104
1988	0.656602230379518
1989	0.6251622539352364
1990	0.6450124646632119
1991	0.7552412941653747
1992	0.4749047731525976
1993	0.6452608517917605
1994	0.4535271053501865
1995	0.3960471563676026
1996	0.5937700748823013
1997	0.5018060331999066
1998	0.7275158260880886
1999	0.7965084828362526
2000	0.6066997634252581
2001	0.6219206178769148
2002	0.630902824589433
2003	0.5376726121055964
2004	0.5373083038797672
2005	0.5574040164974418
2006	0.5216790269650096
2007	0.5329693322737132
2008	0.6367982819311744
2009	0.8168899720263405
2010	0.651310192852661
2011	0.7087301238001242
2012	0.7456132625713775
2013	0.8096533125721506
2014	0.7987917621224621
2015	0.9888871226574357
2016	1.009932333847869
2017	0.975369189993635
2018	0.9938709545036124
2019	1.0620827688250882
2020	1.21087192610863