Year	% of total merchandise exports
1960	0.22183358131158673
1961	0.20249462044011854
1962	0.3070776047412782
1963	0.36339608000401286
1964	0.3987088393339697
1965	0.30571444187159363
1966	0.36293946612989797
1967	0.4652508702013172
1968	0.4973632819907987
1969	0.6578849610089225
1970	0.5457293798555592
1971	0.6151635411405979
1972	0.6882920109264872
1973	0.4044143919749072
1974	0.3711796862303711
1975	0.5255375616544656
1976	0.3504745151095501
1977	0.23492887765675322
1978	0.2072821117331205
1979	0.14279458040106674
1980	0.19445706858157522
1981	0.636880525582894
1982	0.8582014167258413
1983	1.4115103431166829
1984	1.7616474246746208
1985	1.6438752429559425
1986	0.6997908683736273
1987	1.4295600468322849
1988	1.2985132493260017
1989	0.7930613886513407
1990	0.8739232316553873
1991	0.6365890224327488
1992	1.955735847319949
1993	2.9186062347184634
1994	5.494464699163347
1995	6.895011580462532
1996	6.156988443166915
1997	5.4448199733443605
1998	4.542085166449344
1999	3.807765540838153
2000	3.8509586866192707
2001	4.066564284106076
2002	3.848115280593778
2003	4.080551016783593
2004	4.363265001631414
2005	4.681032436583578
2006	5.041150905247373
2007	5.700013215117939
2008	5.517884314334031
2009	4.26072946713987
2010	4.965738098628666
2011	5.2268777564082445
2012	5.213573448499638
2013	5.120053918780119
2014	4.558210915783634
2015	3.8574883074213084
2016	3.7056486350308773
2017	3.889632093953944
2018	3.698126115727925
2019	3.717638977456899
2020	3.5045038178429313