Year	% of total merchandise exports
1960	10.228673578328003
1961	10.22437155955961
1962	10.192344248793141
1963	10.356274649933836
1964	10.58075315890738
1965	10.320734329630502
1966	10.093191810293742
1967	9.568949849192753
1968	9.953381560705502
1969	10.101847260100676
1970	11.037104984482403
1971	10.73708617775489
1972	11.208311721547117
1973	11.162193755335105
1974	10.859070996737053
1975	11.84835597095683
1976	11.541169067386555
1977	11.399962917845379
1978	11.184902935611618
1979	10.782991498573136
1980	10.408719836265643
1981	9.783622122006179
1982	9.801393117179074
1983	9.25728082361455
1984	9.034229169389755
1985	8.906435423924268
1986	8.865634005093137
1987	8.414404655694085
1988	8.47973862190143
1989	8.13407992665543
1990	8.05505858742546
1991	7.160018413626953
1992	6.451837956017134
1993	5.181485100038283
1994	5.041538476207289
1995	5.261315586156592
1996	5.05637664782777
1997	4.0447031265055475
1998	3.9814767057367244
1999	1.5704252687667106
2000	1.6191102200661844
2001	1.6939111848254393
2002	1.5225642779990671
2003	1.299286135614656
2004	1.463507317753085
2005	1.6629827799900607
2006	1.562466820460426
2007	1.580748247203202
2008	1.7294812843877398
2009	2.047063383993406
2010	1.8254350060251598
2011	2.127230441903391
2012	1.7518820782697508
2013	1.7246536724173294
2014	1.5300721191249451
2015	1.1984771171895283
2016	1.0979885140386727
2017	1.0406139677564799
2018	1.2284865728449919
2019	1.1219258884798908
2020	1.0299009984854963
