Year	% of total merchandise exports
1960	0.6272931707894425
1961	1.5666456096020216
1962	0.6489375238579972
1963	1.4367816091954022
1964	1.6207607270001871
1965	1.9588146659969865
1966	2.638179284718997
1967	3.466856445709638
1968	3.2086633911561218
1969	2.683318286688735
1970	3.0283265771158243
1971	4.3237200983679855
1972	5.355065330230893
1973	5.146460144550046
1974	7.09411687329409
1975	7.164334236608634
1976	6.600846464010981
1977	7.1714544185362215
1978	8.241392314666966
1979	8.331061741856345
1980	10.736733166390996
1981	10.255182248872572
1982	9.763917585903988
1983	9.276376881425646
1984	8.578394563877225
1985	8.39869469138451
1986	9.059546138744558
1987	7.897385975198292
1988	10.259073101806758
1989	8.812042889172309
1990	8.30275353944249
1991	9.4417671221575
1992	9.951464832359397
1993	10.195202531457372
1994	10.41212959460935
1995	10.825984219291843
1996	11.398575275921086
1997	11.995364840560898
1998	10.229826213099003
1999	10.276285575445861
2000	11.416906802232276
2001	13.906289218960072
2002	13.160190991219023
2003	13.923318197964402
2004	14.293353400195342
2005	13.584191819806135
2006	14.264264465507715
2007	15.618816844731128
2008	16.557247674687375
2009	18.689835286272615
2010	21.22959425873511
2011	22.328968085403243
2012	24.599698281759867
2013	30.44685386226694
2014	29.714530167272518
2015	27.11295676577511
2016	29.017804317602646
2017	32.32926677691174
2018	33.29586139791755
2019	37.65260283913038
2020	37.33381803441453