Year	% of merchandise exports
1964	0.23867506510135023
1965	0.2683939458620241
1966	0.5475140332049022
1967	0.4879802771902204
1968	0.6097158106950534
1969	0.6093857018519873
1970	0.6017405743061166
1971	0.5183286813692259
1972	2.025678746394665
1973	2.4806124773176914
1974	3.154430680730516
1975	4.051155737320986
1976	4.107609258615471
1977	4.3919902928019585
1978	5.0112211026124
1979	4.089507362348197
1980	4.399795472952955
1981	4.137962311391686
1982	4.533672533510143
1983	5.69387230193886
1984	5.958439554844849
1985	5.343265824405881
1986	4.9798271660543705
1987	5.467180400408763
1988	6.359212538897685
1989	6.46281478797239
1990	5.64768934438865
1991	5.096854550267988
1992	4.557876500017258
1993	4.245599792256319
1994	4.309183954106306
1995	4.97525228560581
1996	4.336704904803568
1997	4.745137509151707
1998	4.8966698490346765
1999	4.617202721639984
2000	4.8886406178533335
2001	4.310656765424336
2002	4.127949375245098
2003	3.794536289595845
2004	3.993779192129255
2005	4.320488005309896
2006	5.389908792635951
2007	5.251240182772072
2008	4.451230510017712
2009	3.327615323795067
2010	4.167243414589187
2011	3.96696430353508
2012	3.5594708961640134
2013	3.268362493505153
2014	3.042464364259108
2015	3.135078826860782
2016	3.144881956664638
2017	3.0287743551194035
2018	3.0180642536854103
2019	2.68523231514001
2020	2.4622149272817793
2021	3.233977966779833
2022	3.1798376482228567
2023	3.2674016127161463