Year	% of total merchandise exports
1960	11.209151602701754
1961	9.523983754710768
1962	9.180102915951974
1963	9.174110640965367
1964	8.147501160029478
1965	8.158937722464847
1966	8.76227069325024
1967	9.44697405066089
1968	8.513442277279916
1969	9.80840217964493
1970	8.659106660964712
1971	8.330205372942249
1972	9.089871090761696
1973	8.744193694249187
1974	10.315743128498648
1975	12.153138191128642
1976	11.533203866642076
1977	11.300393326576588
1978	11.359911863939958
1979	9.875623878471743
1980	11.68430693717046
1981	13.921882831842277
1982	12.342023951370235
1983	10.625392759698679
1984	10.781116517475764
1985	9.22961914323479
1986	8.205429552059032
1987	7.877669917088687
1988	7.450959893568894
1989	7.108831509051289
1990	7.014641997276261
1991	7.840842501281685
1992	7.6495132877118985
1993	9.886712233078422
1994	9.692149212423077
1995	8.95110617044888
1996	10.552517520158474
1997	10.958371769202046
1998	9.93129625233111
1999	9.73628486461925
2000	11.24975696323848
2001	10.723113684124323
2002	10.26037428847037
2003	11.172946143601395
2004	11.975219610675191
2005	12.50018380236502
2006	12.193831653051287
2007	12.917822751372846
2008	14.630636893024468
2009	15.20264610088939
2010	15.68861445748911
2011	17.907085891654496
2012	15.311375974718775
2013	15.297053158617397
2014	14.72935078745179
2015	14.076667675541335
2016	13.542442816426162
2017	14.333046778053884
2018	13.808913530921624
2019	13.503320243996612
2020	14.012672855701311