Year	% of merchandise exports
1970	0.080649873553662
1971	0.07958099650842429
1972	0.06274571401080448
1973	0.0692075547747559
1974	0.14191691241096444
1975	0.11814330901104074
1976	0.21930818936286545
1977	0.2050493831172261
1978	0.3491021846472797
1988	0.26086656943980313
1990	0.5239517278493584
1991	0.5661226627114202
1992	0.5652427174276833
1993	0.595951844742783
1994	0.5794167743058708
1995	0.6664286647718739
1996	0.5424834482410321
1997	0.5196104902329076
1998	0.49606594671359366
1999	0.4618917304438225
2000	0.5062543616905673
2001	0.5349209482691335
2002	0.4704152401022848
2003	0.4704152084681422
2004	0.47970806486405654
2005	0.17005230236109792
2006	0.472446086174938
2007	0.5339595913087343
2008	0.6081862438482045
2009	0.9328756178422689
2010	0.5223971337126081
2011	0.48467473890428053
2012	0.36466760220198347
2013	0.3354061714151369
2014	0.31700379332750495
2015	0.3483226850804416
2016	0.4133342610980115
2017	1.2034291108139337
2018	1.0533482843046693
2019	1.2481771523647578
2020	1.2629810983795775
2021	0.5970075144424509
2022	0.7985730487070688
2023	0.8618063045225953