Year	% of merchandise exports
1978	3.610374409773774
1979	5.874195205074882
1983	30.238684063045284
1991	12.26574573974654
1992	17.81393730237588
1993	28.197727011043376
1999	2.8105247757889162
2000	2.3090039961344346
2001	3.6141508773033895
2002	2.6976081982866122
2003	2.5606234817412363
2004	1.799286322110049
2005	2.590046523470188
2006	3.000654197211409
2007	3.0479309884956134
2008	3.853916888790342
2009	4.200197026589103
2010	4.742657059896487
2011	4.1231895393504985
2012	5.42574557471964
2013	4.764906780147746
2014	7.115686767079884
2015	10.290128929215529
2016	12.330979215184355
2017	11.190373559542229
2018	12.786257199467546
2019	8.437831250663507
2020	9.44531063899488
2021	10.75480510302921
2022	9.710943625775846