Year	% of total merchandise imports
1960	100
1970	86.09308834487396
1981	81.73061170997018
1982	75.55038580864208
1983	81.82782673184795
1984	75.42960433719085
1985	76.19366582288905
1986	79.6184258748146
1987	82.6046926466903
1988	81.58702914883602
1989	72.32731008035222
1990	72.67619593804683
1991	72.95553764721137
1992	69.11453455414747
1993	66.70174255222187
1994	70.75915717022318
1995	58.46992323254315
1996	53.06402404412498
1997	71.53266325899679
1998	73.27763627956556
1999	72.52727385229274
2000	61.591897350227335
2001	62.731754789934676
2002	60.68528229813759
2003	60.07278339562184
2004	34.72889899065772
2005	30.36575258595694
2006	46.937544431095034
2007	69.04114043736563
2008	64.66206376538301
2009	63.18517163208624
2010	61.74368288161523
2011	62.99245096400353
2012	61.387606059644654
2013	61.17744024668292
2014	56.20474015396598
2015	53.82532779398681
2016	63.641577339613264
2017	65.18657142635271
2018	61.528245018666325
2019	56.26322545474655
2020	53.04576514471161