Year	% of merchandise exports
1974	9.362721160326837
1975	7.824689943853582
1976	8.69383513471447
1977	7.422102263841269
1978	6.644776649373083
1979	6.608101807650623
1981	4.653472727825424
1996	7.149921603128152
1997	7.653280270667158
1998	6.799914882478425
1999	6.79019420090436
2000	5.991212373182037
2001	5.431137131905987
2002	5.136714269999434
2003	5.6642535526151425
2006	3.8837711509291477
2007	3.7440780588263864
2008	4.298014582424776
2009	3.4135404340191826
2010	2.937422015649693
2011	4.687906847640789
2012	4.568476379383834
2013	3.1810113231870583
2014	2.4344748180845435
2015	2.4990016528360464
2016	3.1110527420935115
2017	2.9960907863706434
2018	2.9438005785241375
2019	2.977554336903057
2020	3.0209556362582983
2021	3.3512209588370028
2022	2.640447325747011