Year	% of merchandise exports
1976	4.277770829734419
1977	3.1974085764200058
1978	2.283251672483534
1979	3.3097979085646947
1980	4.721204012821427
1981	0.16897651377336415
1997	0.34682530698503294
1998	1.5407914316694558
1999	0.32489226825224854
2000	0.10282131513076587
2001	0.12256359872935688
2002	0.08125856034144052
2003	0.05824925487465956
2004	0.12217167726015044
2005	0.12902685455510168
2006	0.1458822268340108
2007	0.6446006779192833
2008	2.2175389691990057
2009	0.7103695691432137
2010	1.9013569857872326
2011	0.7571625450257625
2012	1.2502566506536272
2013	2.250653723640929
2014	1.6736748632544471
2015	2.195770008353588
2016	0.8725300091935266
2017	1.1328483839532553
2018	0.8868364680696538
2019	0.8243311836884241
2020	0.8247105212381488
2021	0.9120205131092669
2022	3.085829377473349
2023	3.571182530557699