Year	% of total merchandise exports
1960	8.64881702822673
1961	9.226399664331778
1962	8.591708609374372
1963	8.676626145557007
1964	9.0522061416326
1965	9.357268748141804
1966	7.054305930233314
1967	7.734767012020853
1968	7.803959872813801
1969	9.298944887252821
1970	9.78651698142372
1971	9.135797509481975
1972	12.386112514145292
1973	12.983944892740443
1974	12.607742278527834
1975	7.7776889325875604
1976	6.311917583662861
1977	6.430653614796243
1978	7.840932002281434
1979	7.907400001271676
1980	8.496206773295158
1981	8.469773871906034
1982	8.22359666619754
1983	5.944539143408764
1984	6.466188705864323
1985	5.951187723633067
1986	6.193613363398564
1987	6.924851886256865
1988	5.384767281623697
1989	5.298361880121487
1990	5.420259855833411
1991	6.413397483404509
1992	7.295731685889528
1993	8.52045487620244
1994	9.207712971250777
1995	8.97895969174475
1996	8.748816819004343
1997	8.125793332263164
1998	9.440853953866405
1999	9.115598633108688
2000	13.998251587507934
2001	14.459273204354758
2002	15.138185267065152
2003	14.904677477170752
2004	15.403908492846183
2005	14.835001494523592
2006	14.713205067426271
2007	13.093065524493605
2008	12.963730642983398
2009	14.532671654984162
2010	14.395005397908257
2011	15.11947653781098
2012	15.445801665354523
2013	17.388304619356497
2014	18.939453658622764
2015	20.9417552061618
2016	21.864670672652895
2017	21.06156396308612
2018	20.29259534230604
2019	21.417702872297586
2020	23.106346721535253