Year	% of total merchandise exports
1960	0.7141854917917778
1961	2.143881059001129
1962	1.2727339801527282
1963	1.6145363298188462
1964	0.9511128019783146
1965	0.736512445148486
1966	0.5953745933871804
1967	0.3808056510395849
1968	1.5279328453872556
1969	2.0323348419637686
1970	1.25875644854738
1971	0.8203519743741301
1972	0.5411242933293364
1973	0.4736387956428477
1974	0.7784628031237156
1975	1.7298082901942569
1976	1.923023658583874
1977	0.956723127147179
1978	0.5574120825445329
1979	1.3749386830822896
1980	1.1482249502322495
1981	1.9391580225954843
1982	2.081907048194854
1983	1.79085011367488
1984	1.4620240352908143
1985	1.5978171633642142
1986	1.8156627363963673
1987	1.9643185604179456
1988	1.9976062301064392
1989	2.3706077860905785
1990	1.8175052051424259
1991	0.8344590543858693
1992	1.0350721507187282
1993	1.6046278694221296
1994	1.581271511137087
1995	1.8669908573271639
1996	1.9308251792161581
1997	1.063601459471061
1998	1.1503902186162362
1999	0.5742168861602683
2000	0.4587963534654728
2001	0.6629894721087799
2002	0.435472329406963
2003	0.2203302889721574
2004	0.2574493445269695
2005	0.39185660366385194
2006	0.5521877020462426
2007	0.5865946762515463
2008	0.6232193795809493
2009	0.44113434304734656
2010	0.4859745791944916
2011	0.6380865544408878
2012	1.0128806298771986
2013	1.2486892392997584
2014	1.1753014513100692
2015	0.8986079207939747
2016	0.8976121688234452
2017	0.823168731852981
2018	0.7569625780981428
2019	0.8775865906490484
2020	0.6743402292112785