Year	% of merchandise exports
1962	5.864290748011678E-05
1963	0.022368690958372003
1964	0.8118451642848707
1965	0.9377352034232622
1966	0.56028834607644
1967	0.5966388718106744
1968	1.2289189259098598
1969	1.2477905087817744
1970	1.2075919612075088
1971	1.158723849612802
1972	1.5967607647817648
1973	0.763870831499119
1974	2.2869462092652886
1975	1.0719861538129793
1976	2.117504572090247
1977	4.286366505124917
1978	3.139977548355257
1979	6.7781417918332405
1980	7.127245063268123
1981	6.554324120420957
1982	5.949368751065509
1983	1.8620426889413626
1984	0.9878674736250431
1985	1.4267963790563452
1986	0.7192977324658167
1987	0.6779060730589429
1990	1.2836539696685523
1991	1.4804895819106718
1992	1.224872128453678
1993	0.9874405816221791
1995	0.9817473194299967
1996	0.7608985722285272
1997	0.8685919644142184
1998	0.31758955673414485
1999	0.9233178390820779
2000	1.4399631383441018
2001	2.1441546825366316
2002	1.9355371838670576
2003	2.307243450770146
2004	2.4140010306398842
2005	4.232920586512927
2006	5.002867986601876
2007	5.7736520623968115
2008	6.181635145545638
2009	4.116029582706574
2010	5.711194514833884
2011	5.2158711478237905
2012	1.350534874288453
2013	2.104634410866171
2014	2.641946441106975
2015	1.2106557915666385
2016	0.7615143965512072
2017	1.2032443709099034
2018	2.1342660606267887
2019	1.5992204653989712
2020	0.8733491378536986
2021	0.708780532335282
2022	1.1940865545631165
2023	0.5833191216207556