Year	% of total merchandise imports
1960	3.31601466992665
1961	3.077378310400947
1962	4.051337559919592
1963	3.5777646363098756
1964	3.743440233236152
1965	4.785178449647647
1966	4.986410202801589
1967	3.4085084572014352
1968	2.5356080763812803
1969	3.853334922337425
1970	3.536443632741159
1971	3.4791776489193458
1972	3.2851800249321697
1973	1.827121863999553
1974	2.4858428924059823
1975	3.510856649022361
1976	4.743746109505711
1977	6.847287409947256
1978	6.886139643764716
1979	5.523194270540343
1980	4.58995641874175
1981	3.0632430882982646
1982	3.2073982808993935
1983	4.367533085252232
1984	2.1134947478018695
1985	2.9020280560523073
1986	5.212392623675844
1987	4.833338619136723
1988	5.629802719077878
1989	6.812336144440587
1990	5.28876257432132
1991	4.965296934328569
1992	4.521097678984634
1993	3.624140736963654
1994	3.6333374348849117
1995	3.837757148854784
1996	4.349326889886089
1997	4.689333082493878
1998	3.5317107263345187
1999	3.9193882539664173
2000	4.0115305083927755
2001	4.632291876313977
2002	4.23261384477616
2003	5.209851229727827
2004	5.2032131213226815
2005	5.273239927956761
2006	5.982460179806474
2007	3.118070340084411
2008	3.894485965689857
2009	4.751197890987593
2010	3.9115005397761653
2011	6.949262473689581
2012	4.893289206282777
2013	5.4180029233117075
2014	4.868421134117518
2015	3.97097360644251
2016	3.6930298455235553
2017	4.198486842031571
2018	4.671955252503925
2019	4.664569882501015
2020	4.701414760510487