Year	% of total merchandise imports
1960	80.39664448730608
1961	79.63076557769556
1962	77.57579179395239
1963	76.31679903760643
1964	70.80279552095806
1965	70.0737220867499
1966	72.28763173919745
1967	72.27066635493458
1968	70.24149088847363
1969	70.20397541804282
1970	70.61965398488586
1971	72.28960497932697
1972	70.92375624047469
1973	69.47122287022911
1974	66.95084945303303
1975	69.75653970886651
1976	71.10079114081105
1977	70.27905756288452
1978	71.76089541573627
1979	69.8645011440137
1980	68.52368375386595
1981	67.99706076945482
1982	68.93604850654117
1983	68.47707049002143
1984	66.21232952104359
1985	67.08566897196859
1986	68.00334275837146
1987	69.85130416664447
1988	69.02105429788872
1989	67.80910480795474
1990	68.46031603238659
1991	70.33328679649564
1992	68.12350089594224
1993	67.57109269012179
1994	65.83052047968218
1995	65.3257472508791
1996	62.72071192088142
1997	62.924817925001605
1998	65.05269503976471
1999	61.83702071047489
2000	49.68785725358387
2001	51.85005445701078
2002	50.59943364550102
2003	49.17370853584633
2004	46.67144841503396
2005	44.447870099540076
2006	45.227779491292814
2007	46.008622568322025
2008	44.22222842746339
2009	43.722460867012046
2010	44.0383554128938
2011	41.976170925929104
2012	41.81409560230137
2013	40.95730892335132
2014	41.40004623021058
2015	43.38835011554003
2016	41.07728338457041
2017	41.90317213402582
2018	41.28910445882162
2019	40.93138951139899
2020	40.01378679758558