Year	% of merchandise exports
1974	9.362721160326837
1975	7.824689943853581
1976	8.69383513471447
1977	7.422102263841269
1978	6.6447766493730835
1979	6.608101807650623
1981	4.653472727825424
1996	7.149921603128151
1997	7.653280270667156
1998	6.799914882478425
1999	6.790194200904359
2000	5.991212373182038
2001	5.431137131905986
2002	5.136714269999434
2003	5.6642535526151425
2006	3.8837711509291477
2007	3.744078058826385
2008	4.298014582424776
2009	3.4135404340191826
2010	2.9374220156496924
2011	4.687906847640789
2012	4.568476379383834
2013	3.181011323187059
2014	2.4344748180845426
2015	2.499001652836045
2016	3.1110527420935123
2017	2.9960907863706443
2018	2.9438005785241375
2019	2.977554336903057
2020	3.0209556362582997
2021	3.3512209588370023
2022	2.640447325747011