Year	% of merchandise exports
1971	12.296878290308472
1972	10.362338626226451
1973	5.748901175107846
1974	4.776128869494895
1975	3.613212351553109
1976	4.048962255714348
1981	7.177654278053266
1982	9.869604491148614
1983	7.201038982757198
1984	9.222094473830062
1985	8.877025637561582
1986	9.157758105778772
1987	11.918702653202091
1998	3.262522557343213
2000	2.3203016953902518
2001	4.613334585912832
2002	6.149744944030273
2003	2.643339675724563
2004	6.385181388171378
2011	4.802031505744909
2012	6.314597267229362
2019	3.506342536456062
2020	3.128866368886446
2021	3.3187785994153867