Year	% of merchandise exports
1974	9.37575844406706
1975	7.838288853694128
1976	8.709360789269432
1977	7.433182151676718
1978	6.655697640706159
1979	6.618981507862442
1981	4.658494521817118
1996	7.164316860743379
1997	7.667210181973556
1998	6.813746732398926
1999	6.803538908608106
2000	6.002041464998498
2001	5.44094943650827
2002	5.146405684685892
2003	5.674547088340269
2006	3.8837711509291473
2007	3.749804210453484
2008	4.305395064229255
2009	3.4188538469658374
2010	2.9419468264294704
2011	4.6963586273998565
2012	4.568476379383834
2013	3.1859306024682255
2014	2.434474818084543
2015	2.5027742430886826
2016	3.1157076874173306
2017	3.0006021142100097
2018	2.9482273251303486
2019	2.982098633202758
2020	3.0256412629354754
2021	3.354976439440784
2022	2.644430766825832