Year	% of total merchandise imports
1964	33.68945868945869
1965	38.669760247486465
1967	35.839524731866675
1968	29.70249288779594
1969	33.70681001262913
1970	40.35882218671536
1971	57.25310552597912
1973	50.081670390631025
1974	45.785074897641955
1975	54.04252929947223
1976	50.59181204635171
1977	45.4409879385678
1978	34.542835326603274
1979	24.561514905227718
1980	32.16204416740441
1981	26.619158067351655
1982	83.22864504803492
1983	85.84598332593993
1984	78.57613170215568
1985	75.39341687171375
1986	65.38220612836325
1987	69.56961440620731
1988	73.27713683803654
1989	78.3686118809693
1990	75.04685616355367
1991	80.00801244722085
1992	73.19140374080789
1993	62.15634661173355
1994	60.27425076002997
1995	59.174302112395964
1996	71.11704835650177
1997	57.28531362955371
1998	45.038685868220526
1999	40.036835461520376
2000	10.639846129409705
2001	10.577787375561073
2002	11.242319451046807
2003	11.429151590650415
2004	11.763963394839775
2005	12.254611748939368
2006	13.261715728802198
2007	15.71498836450646
2008	21.038659681700526
2009	22.14052299565705
2010	26.44108217308817
2011	21.516206357824103
2012	14.620208666045443
2013	2.5013761645075774
2014	4.274760586619532
2015	13.892262904167838
2016	13.745569748346925
2017	15.031439214892025
2018	11.432995406305455
2019	9.186510820326776
2020	10.275540461366445