Year	% of total merchandise exports
1963	0.05583472920156338
1965	0.02450379808870375
1966	0.05686664771111743
1967	0.05938242280285036
1969	0.10622443479088055
1970	0.10500692091069638
1971	0.031465942744323794
1974	0.09562831744303489
1978	0.01859962587504132
1979	0.0007156849513947677
1980	0.011836950339662736
1981	0.030085323148604893
1982	0.012446824955482527
1983	0.09376073550931628
1984	0.1725449438828394
1985	0.4892105668849984
1986	0.5442738571367136
1987	0.64950736073366
1988	0.5292532834671867
1989	0.34186215471017944
1990	0.331610601718329
1991	0.19252052298629646
1992	0.6330207447762143
1993	0.4414691515127868
1994	1.437949359174742
1995	3.2622993948960803
1996	4.91562729273661
1997	5.487146251890257
1998	4.495336817767893
1999	3.216441614735441
2000	3.0943243406208
2001	3.5226036301095602
2002	3.9566029629020276
2003	3.9884004362601644
2004	4.164083297551926
2005	3.5484895262330536
2006	3.7055611135338307
2007	4.10303353448229
2008	4.971220539757111
2009	4.926125035104757
2010	5.672161486217961
2011	5.314505294462121
2012	5.219646092806944
2013	5.451037801674976
2014	6.228172049846374
2015	4.873781856331579
2016	4.39122419173903
2017	5.160562504420594
2018	4.484743101284259
2019	4.180963058910506
2020	5.124765365608541