Year	% of total merchandise exports
1960	0.20145008858914334
1961	0.6200490565972742
1962	0.7694055127082581
1963	0.5960335535520462
1964	1.561493126029123
1965	1.4606966617382804
1966	1.2984504155534444
1967	0.3106521754951634
1968	0.21462762245924044
1969	0.24666893806485793
1970	0.311252631948448
1971	0.6604847121671166
1972	1.3586015474157598
1973	1.4440779710443943
1974	1.2784088408461094
1975	1.0707056144459872
1976	0.5467625857662105
1977	1.3897180436289729
1978	1.3585776361507187
1979	1.4782952519594779
1980	1.1525668723389495
1981	1.617118235254548
1982	1.5560417986729345
1983	2.1911358434873986
1984	1.3655491906278077
1985	2.255536161371255
1986	2.145680417829322
1987	1.9372398773473596
1988	2.959564065754603
1989	2.711093619067821
1990	2.3558642474659
1991	1.7761216848664478
1992	1.8532207741403306
1993	2.0093887325480186
1994	2.0015845565968986
1995	2.3266311002808573
1996	2.263928184380184
1997	2.1955947760634684
1998	1.4713748295020541
1999	1.2653177628431822
2000	1.5080024652697748
2001	2.1214592516502813
2002	2.5262655595864087
2003	3.675140442914324
2004	3.7459394523881175
2005	4.019590721934608
2006	4.20434577067487
2007	4.864999140645695
2008	5.557203881615059
2009	6.998798738858561
2010	8.33936376451386
2011	9.060455903706938
2012	8.880583705495901
2013	9.776941503709157
2014	9.245438322829811
2015	9.249680390748424
2016	9.681639634172495
2017	10.772945822480207
2018	11.977217376879192
2019	12.59470380867401
2020	14.0906033897155