Year	% of total merchandise imports
1960	14.689265536723164
1961	13.243457573354481
1962	14.854517611026033
1963	14.192614047791455
1964	16.838046272493575
1965	14.881297046902143
1966	15.882917466410747
1967	16.50872817955112
1968	14.29184549356223
1969	17.575280683235775
1970	17.966230782932357
1971	17.28683673012986
1972	17.089584396612583
1973	22.47884545389935
1974	22.078817586305107
1975	24.528780055120855
1977	19.923153653082316
1981	6.513432545500897
1982	4.054915228707241
1983	5.707407785571932
1984	4.697827938123238
1985	6.101531483101271
1986	11.02592433311563
1987	8.70418803794704
1988	7.913024249680861
1989	8.894961370899747
1990	11.117279174615211
1991	12.827586206896552
1992	36.46130386418375
1993	38.66310944235644
1994	39.14890224936728
1995	35.591795201371035
1996	40.750730501236234
1997	62.544483208451474
1998	43.528260337655986
1999	29.78581548462372
2000	51.71127472167484
2001	42.373562275241845
2002	31.6642623113004
2003	38.486991209614814
2004	44.77030220101131
2005	46.87948556080416
2006	39.3966206090436
2007	34.669294909791574
2008	31.221234805289416
2009	37.52290022169112
2010	37.597045875776516
2011	36.06685260963252
2012	33.67121503072145
2013	33.62809035475902
2014	34.92283282114403
2015	33.18550217452541
2016	32.51350506613299
2017	32.03037570398677
2018	29.045544039203637
2019	31.214144065955026
2020	25.63747340466682