Year	% of merchandise exports
1976	21.955887213586028
1977	17.486384499518334
1978	18.833571607829448
1979	20.07808470999748
1980	33.401149608002385
1981	31.976182852093217
1982	27.39815917634914
1983	20.502297375828267
1984	18.91958418084039
1985	16.26826328130425
1986	11.419751275755745
1987	13.56125880092502
1990	13.10135782871534
1991	16.787403800283368
1992	11.315511425850683
1993	9.375279586743522
1994	4.122781104569555
1995	6.140491766413652
1996	6.995792266730009
1997	9.305891545364112
1998	8.569098511263975
1999	8.350682045871011
2000	8.077949159833068
2001	0.13745389792252152
2002	16.616534232668812
2003	19.15510449180561
2004	0.9011396644140737
2005	18.31992266496067
2006	7.27291530118403
2007	4.263711221133608
2008	2.0982167707251627
2009	4.201305040144616
2010	4.195350739625967
2013	0.9382719630024102
2015	10.400205470508855
2016	7.463557565924107
2017	1.006025734079413
2018	0.8347548744863089
2019	7.737080330465986
2020	6.748324933275248
2021	0.9241497962373182
2022	1.3736937938200713
2023	1.8648287478394028