Year	% of total merchandise imports
1960	0.13975465294261186
1961	0.1698295779932463
1962	0.1782129926651284
1963	0.1598008376928123
1964	0.15921076947133495
1965	0.18533440773569704
1966	0.20225224100476916
1967	0.20411103640380368
1968	0.17975738135474637
1969	0.2138833016300638
1970	0.20834266768224383
1971	0.2025277015053261
1972	0.20429825262220802
1973	0.20765327558902427
1974	0.1824958307863048
1975	0.15344406036590508
1976	0.20501712176684792
1977	0.17262887582959555
1978	0.18796433878157504
1979	0.18247318641601543
1980	0.16940486609711433
1981	0.25469942040605853
1982	0.19183471157345244
1983	0.20915147037857876
1984	0.2339984688989072
1985	0.3005887297667364
1986	0.3007369577010095
1987	0.34495182172889854
1988	0.31145722584570634
1989	0.34241780035945985
1990	0.34518007869086315
1991	0.3595857602170257
1992	0.4063633693662325
1993	1.5929764531736497
1994	1.4151939464385244
1995	1.5194526977995881
1996	1.7275146930039942
1997	1.9304914037133594
1998	1.783850179782617
1999	1.775803733733445
2000	2.359980256650672
2001	2.5927084314834157
2002	2.7302295424985736
2003	3.3267590173161485
2004	3.906704120555245
2005	5.588661116433755
2006	6.514656757443606
2007	6.487215473856839
2008	6.721464573178385
2009	5.421203749529364
2010	6.735774390110705
2011	7.451811956326043
2012	7.804573029613687
2013	7.778939095262157
2014	6.893026656376682
2015	5.218441230607004
2016	5.4062013428594815
2017	5.682758794457805
2018	5.9041593376937636
2019	5.460058753016464
2020	4.108147391298514