Year	% of merchandise exports
1968	8.596232954088812
1969	8.733255242997172
1970	8.887593408496523
1971	7.999019735094215
1972	9.013725970656642
1973	6.989635403352357
1974	4.1087055732588
1975	6.398523117886478
1976	3.8650839292112287
1977	3.455737248100034
1978	3.1686115471503227
1979	3.101037622485696
1980	2.0580245460301967
1981	2.0108305471172985
1982	2.091035264525896
1983	2.317381948372289
1984	2.3605978946626056
1985	2.1231008813671783
1986	4.208751037176501
1987	4.522607922332867
1991	5.895087473619772
1992	6.162044949830679
1993	7.640541474466731
1994	8.014888655432738
1995	8.39614789832564
1996	8.20609326210296
1997	9.584237411185352
1998	11.015940210467225
1999	8.305563216278527
2000	5.654496570400301
2001	5.146864729077656
2002	6.4940037013098
2003	4.150171008332556
2004	3.5540233345593206
2005	3.1416600699053547
2006	2.318967496485785
2007	2.5679212348707794
2008	1.9851364725296916
2009	3.2395476156615777
2010	2.521583188376444
2011	2.690667663696569
2012	3.4384378466617904
2013	2.137707513982875
2014	2.7213826733738453
2015	3.965595450870539
2016	5.195548516999727
2017	3.9491702704914937
2018	3.6079910900002803
2019	5.437458410326183
2020	7.793663805902618
2021	5.530171055302857
2022	4.279561506105288