Year	% of total merchandise imports
1964	6.135378459486496
1965	5.580653733723094
1966	5.449770190413657
1967	5.644196250498604
1968	8.136895407717828
1969	5.003344481605351
1970	4.634455557120721
1971	4.944315261289928
1972	4.429766622633202
1973	3.040882412467112
1974	2.365869877156756
1975	1.9746054349115936
1976	0.9857939840110427
1977	0.7417871132402516
1978	0.9705779730400467
1979	1.1006995832182478
1980	1.3137132703935506
1981	1.164724513137207
1982	1.089916245434085
1983	0.9170354716364731
1984	0.6573519548430368
1985	0.9376891782625445
1986	0.9266235532952428
1987	0.8460693237438817
1988	0.8972971589321468
1989	0.6159820603016823
1990	1.0252028981420922
1991	0.6822956049869512
1992	0.7674448089393566
1993	1.0294620095693323
1994	1.4555899128710172
1995	1.8451881122640224
1996	2.095301833039321
1997	1.7193712064587994
1998	2.56491406473284
1999	2.4311604206060604
2000	1.6694846305276452
2001	1.2489066838655614
2002	1.2561490533742328
2003	1.045709385113479
2004	1.451525712026272
2005	1.1794163493147956
2006	1.1578293652334148
2007	1.3259427505747547
2008	1.3177233984640808
2009	0.9715330614451836
2010	1.3294937152924056
2011	1.409131553770652
2012	1.534696555409836
2013	1.678445832471939
2014	1.9990501103518903
2015	1.965400228996708
2016	1.8816092267191746
2017	1.9694218888280823
2018	1.734625528705678
2019	1.678105246750102
2020	1.546050018475089