Year	% of merchandise exports
1970	53.37362371337168
1971	47.26563976613908
1972	44.143218498103856
1973	48.02409018385996
1974	33.716936275973346
1975	32.52138500051387
1976	33.515303953838334
1977	37.94988484780336
1978	33.73020536207464
1979	44.67645039414252
1981	32.469028710370814
1997	15.600569911081935
1998	15.869199422633715
1999	14.651145861817023
2000	15.29283233039998
2001	17.24905181874861
2002	7.040531351735731
2003	5.363347435448515
2004	5.163072697768916
2005	7.064834494038637
2006	8.513425619515123
2007	13.230757167055529
2008	16.95413622649232
2009	11.517336269151691
2010	13.792819908930683
2011	12.06991012076585
2012	11.210193927339173
2013	10.320928159111944
2014	11.236228314016824
2015	9.346006438445645
2016	8.718514578603807
2017	8.959520119731204
2018	9.891469192301168
2019	9.587514203629418
2020	3.081155088811474
2021	2.030781755059543
2022	0.9992186421063565
2023	1.1310052308409775