Year	% of total merchandise imports
1960	6.469760900140647
1961	6.989247311827956
1962	7.755102040816326
1963	8.85275519421861
1964	12.983223924142962
1965	15.605493133583021
1966	20.022002200220022
1967	23.08447937131631
1968	27.932351336606654
1969	25.990457238478587
1970	27.95887070417578
1971	28.24796846314771
1972	31.156786449988555
1973	31.540737250774793
1974	26.87016989134876
1975	25.233176463303252
1976	30.256009351115985
1977	24.92516531870191
1978	26.84027853866654
1979	33.74777777777778
1980	37.1395492821035
1981	39.29504678029655
1982	40.88743949070889
1983	43.34823355476948
1984	30.67323095402133
1985	28.31406017201918
1986	15.904087674741996
1987	16.81227915541628
1988	15.90530375462219
1989	21.699634691286903
1990	22.107999226070042
1991	25.142416014481178
1992	30.751526101855053
1993	32.42633395274754
1994	27.08597807270629
1995	28.87612797374898
1996	30.92658403397764
1997	32.19064698579114
1998	35.99249178789301
1999	34.36106784122039
2000	32.782576909459586
2001	33.30856104142491
2002	32.87469487945111
2003	36.856201817390044
2004	38.563223497423024
2005	42.02614635343225
2006	45.25967299911976
2007	44.63166823049991
2008	36.61777148943323
2009	35.57539309644735
2010	35.35006355583446
2011	34.97083298976892
2012	33.24691555235143
2013	36.467638567755785
2014	38.37280237774061
2015	41.2558090267087
2016	39.33981994312234
2017	40.50716035032805
2018	41.657888324277174
2019	42.31926627632484
2020	44.075456586170716