Year	% of total merchandise exports
1960	8.03208830027873
1961	7.614301585095595
1962	7.974094080127323
1963	7.541421866454706
1964	7.141613045421756
1965	7.473648951483
1966	7.683569356627576
1967	7.107552031160111
1968	7.333488000840715
1969	7.3526977521054
1970	7.200701051955257
1971	7.062361240845906
1972	6.020841012403484
1973	7.478668235218282
1974	5.984501145609468
1975	7.214515681327194
1976	6.810760208902562
1977	6.53086953852412
1978	7.7005129572403535
1979	7.5633810476681855
1980	7.856610713394015
1981	7.734003529330252
1982	6.622739401186556
1983	6.658906212921896
1984	6.904674899937141
1985	6.974201841266538
1986	6.816487957873658
1987	6.712403675014945
1988	7.4666332807794085
1989	6.720549726134078
1990	5.409547933296769
1991	4.692533778216724
1992	4.991071471705545
1993	3.124760355812919
1994	3.5278159441904067
1995	3.858498203297807
1996	3.607045259492515
1997	2.4551685626622324
1998	3.649021182418187
1999	2.6589252912687895
2000	1.943895929569985
2001	2.4730327015156406
2002	2.142607195164837
2003	1.4404190061250521
2004	1.5453832162409944
2005	1.4449471309553374
2006	1.1129703279543315
2007	1.152814839541209
2008	1.1694566447089423
2009	2.8604965830344655
2010	2.576939825359038
2011	3.227949254842851
2012	1.2563412318750586
2013	0.9857606243441048
2014	0.8556847326732073
2015	0.8305230657340738
2016	0.7514944534957716
2017	0.6069057758334007
2018	0.46767543955188234
2019	0.38702266661454493
2020	0.41931887475191215