Year	% of total merchandise exports
1960	3.9420596600304254
1961	3.316469926925239
1962	4.194717762817193
1963	4.561251086012163
1964	4.641909814323598
1965	4.0447815095702415
1966	3.2195750160978753
1967	9.846698113207546
1968	7.289940828402367
1969	8.563842521055953
1970	7.1083151452903675
1971	9.138618246235607
1972	9.651945554076047
1973	6.140279536661594
1974	7.152573393020553
1975	5.895720343994458
1976	6.722822534832723
1977	6.265826043407249
1978	8.79732932790401
1979	7.375507612693013
1980	7.850569353880739
1981	9.718110286085208
1982	8.794526948694552
1983	10.45092660414303
1984	19.014083458892266
1985	18.605895747567413
1986	18.84868679854074
1987	20.842090150058965
1988	23.56739763846222
1989	9.844811892292554
1990	8.270183799609232
1991	6.130248339612495
1992	6.374205885608868
1993	4.92494795840473
1994	5.247354298755629
1995	3.60310870373666
1996	3.171396358604898
1997	12.300125330977925
1998	9.484304651578135
1999	2.1794505861648448
2000	4.945823972252488
2001	3.261715433362633
2002	3.9303044036557924
2003	3.714552971274915
2004	3.7715183962115955
2005	2.724713049206624
2006	5.421851175412845
2007	3.288184190917496
2008	0.8488020290441505
2009	3.171144144137692
2010	1.057465596938983
2011	0.6105924288322654
2012	1.1438642115347404
2013	0.8927836874394153
2014	1.0958640790158805
2015	1.2999730676701298
2016	1.2447237249795768
2017	1.2640311492290592
2018	1.2652300240153938
2019	1.2646061084480698
2020	1.268087456575155