Year	% of total merchandise imports
1973	5.691056910569105
1975	0.9900990099009901
1976	1.8617021276595744
1977	1.545253863134658
1978	3.1523642732049035
1979	2.7479091995221028
1980	3.5934291581108826
1981	4.511278195488721
1982	4.423868312757202
1983	4.0428061831153395
1984	4.176334106728538
1985	3.5031847133757963
1986	3.2591866410489994
1987	2.6371308016877637
1988	2.7895999498196904
1989	3.4942479310689762
1990	3.6277761024378714
1991	7.425688273828469
1992	4.797789664003547
1993	4.44354512236496
1994	3.998849251740142
1995	4.2455296016301
1996	3.1851994953527774
1997	4.796000125958875
1998	4.966263147576807
1999	5.120455919571689
2000	4.915277667729812
2001	3.3609566908133126
2002	4.09204566449668
2003	3.7556732202627674
2004	3.6870099277784276
2005	4.877053246326648
2006	6.309043667182513
2007	5.839028389033136
2008	3.814177674357455
2009	5.546012378026615
2010	4.245960006405281
2011	3.198031125933703
2012	5.146860140382734
2013	6.443264795691167
2014	7.585162945937888
2015	8.482231748691904
2016	4.936156662330371
2017	6.644517641708242
2018	9.13464342617534
2019	8.519956735478498
2020	8.151796718016637