Year	% of total merchandise imports
1961	80.79509789269169
1978	74.95653460585211
1979	78.90613955042606
1980	82.15790822865931
1981	83.39936663507547
1982	79.33229362163306
1983	79.78119250553824
1984	83.76628880994397
1985	84.6125959858946
1986	84.2614972940747
1987	85.0992649695646
1988	81.77593984690733
1989	79.85695250548787
1990	84.90618998902704
1991	87.19987661090087
1992	85.01839555245272
1993	84.12762310980729
1994	85.52581629301851
1995	84.3943546983649
1996	82.69483983332015
1997	82.59801003073936
1998	83.93921074188839
1999	83.14921613825898
2000	78.98882025091596
2001	78.4869456864025
2002	76.81175636339019
2003	74.07883852382624
2004	72.54363480299067
2005	69.76138121362855
2006	68.13580129504527
2007	66.8772998833993
2008	65.60472780761891
2009	66.45747970395163
2010	64.78569190830112
2011	63.507366548181665
2012	61.844813745914365
2013	63.09900866588006
2014	63.50436371909878
2015	65.33092567126161
2016	66.1208840738364
2017	65.2027443227282
2018	63.74480444276791
2019	62.8840403963363
2020	63.567027157252