Year	% of total merchandise imports
1960	3.1900624227003522
1961	3.249284068919679
1962	3.490147731381449
1963	3.5307184554210407
1964	4.160481243668928
1965	4.534421528890757
1966	4.718091716934001
1967	3.644723989124977
1968	3.181989144436157
1969	3.043465071384925
1970	2.914272444803651
1971	3.232990686997756
1972	2.9870103206883494
1973	2.834368904632085
1974	2.9859106247262295
1975	2.9490926999327587
1976	2.7047746976356657
1977	2.9530142645535933
1978	2.6801127797567927
1979	3.2337153436363844
1980	3.531996928033586
1981	3.5392940229008185
1982	3.2157747596729847
1983	2.982216747066439
1984	3.62485045324661
1985	3.8083097568551287
1986	3.818218509605203
1987	4.276096158537509
1988	4.534704295270354
1989	4.877014027093589
1990	4.5625218660253655
1991	4.758353167279209
1992	5.3249743746676765
1993	6.099731547500357
1994	6.6978084367217265
1995	8.205637618046506
1996	7.0769215036675455
1997	7.849874606686684
1998	9.148567153343933
1999	9.692601860673191
2000	9.934218085907188
2001	10.142224023169858
2002	11.181418630854372
2003	12.288512820333672
2004	12.870125968887633
2005	13.685990734807302
2006	15.198310401532197
2007	16.830560766356058
2008	17.021144388668603
2009	18.59623825057799
2010	19.519497159918313
2011	20.15140997213331
2012	20.41781910659882
2013	21.899525274113092
2014	24.063974752475165
2015	26.745109076548818
2016	28.203966859640055
2017	27.76119653186165
2018	27.89254763422399
2019	29.39371303015868
2020	30.52994016712369