Year	% of total merchandise exports
1960	74.82014388489209
1961	100
1963	95
1964	95.15570934256056
1965	93.86973180076629
1966	96.76375404530745
1967	95.50173010380622
1968	98.57954545454545
1969	88.48185189347117
1970	75.24767612524462
1971	68.0463349998634
1972	83.32243296272074
1973	87.02076677316295
1974	81.94802782307168
1975	76.17483095576235
1976	83.60622115877628
1977	80.07158143310456
1978	70.9873099986055
1979	75.72089398396058
1980	77.8604434635677
1981	68.18591793466166
1982	70.58565904114057
1983	67.87103282583591
1984	51.680515792658795
1985	65.5759899488779
1986	61.31182140731375
1987	52.341114454231196
1988	52.25194697151021
1989	42.66038126140997
1990	15.627351503094433
1991	11.393033314889314
1992	11.622166341374522
1993	14.48883698799118
1994	8.393805004589007
1995	17.983776876998895
1996	33.09240192349596
1997	28.793331558712204
1998	90.52171083007721
1999	83.97193146806273
2000	93.86634113943822
2001	94.34951424304143
2002	94.6766905808906
2003	94.61006015679163
2004	50.7697711583784
2005	82.10519745137755
2006	87.60595694981573
2007	81.4818076009845
2008	74.32103723473095
2009	83.79135974694375
2010	87.17272582770055
2011	65.01187134227928
2012	76.38676601748475
2013	74.61673638260132
2014	66.97741460744295
2015	84.58451968365857
2016	44.73799168660644
2017	66.79624485409207
2018	58.84151273186971
2019	61.00212243888412
2020	55.87264388459443