Year	% of merchandise exports
1963	2.352345715004206
1964	2.9968296952448035
1965	3.3218689209634706
1966	3.4167963771396184
1967	3.191946821459916
1968	3.0029923457449272
1969	2.5182734577084425
1970	2.5424475991023034
1971	2.0385400866011527
1972	1.9949487237031636
1973	2.1662897529433867
1974	2.0445563143250753
1975	2.08900653924098
1976	1.8801613866086795
1977	1.9416232769878483
1978	1.5684015678984566
1979	1.4394996220077183
1980	1.568812245474268
1981	1.7402737700462714
1982	1.533035994226132
1983	1.4038982901768244
1984	1.4885567490266194
1985	2.0222454379654917
1986	1.2135468898603297
1987	1.76383075660928
1988	1.2843828240569792
1989	1.2733246331581194
1990	1.0092287169873286
1991	0.9298131414360792
1992	1.0569913264848514
1993	1.1203098299784322
1994	1.298785346508722
1995	1.0020681550579291
1996	1.2288834649406988
1997	1.239071579820575
1998	1.0277006335130952
1999	1.1779700736111895
2000	1.260733300393529
2001	1.8557341867195074
2002	2.249066072441556
2003	2.5489056418814044
2004	3.1765699573442587
2005	4.603332184953558
2006	5.268187711579396
2007	2.6645567776104646
2008	3.356512367007738
2009	3.440744492820157
2010	3.2101426922681418
2011	3.376349850984651
2012	3.662107201417344
2013	2.7014421523565075
2014	2.393952798844922
2015	1.9611869554509702
2016	1.6916655658974413
2017	1.8985454600636005
2018	2.094994895537369
2019	2.2180900828377963
2020	1.941188593873824
2021	2.4700443367337197
2022	3.8671447462231994