Year	% of total merchandise imports
1962	0.2304147465437788
1963	1.3897662665824384
1964	0.048555474629764506
1966	0.09391876027236441
1967	0.22240756185710314
1968	0.2466429158673609
1969	0.0418027005945792
1970	0.0234007755685617
1971	0.019997151920787038
1974	1.224010517045527
1978	0.26568977848911784
1979	0.17611769520458845
1980	0.08931977959900743
1981	0.1340227933204803
1982	0.5900834621538412
1983	0.3702867967629156
1984	1.0164793187637964
1985	0.6895949339447538
1986	0.22755858553999936
1987	0.676923615589084
1988	0.6749965535235836
1989	0.49189396261241547
1990	0.7388084496380857
1991	0.8047029842164618
1992	0.9106772633033864
1993	0.5275122707802938
1994	1.110586011342155
1995	0.7364427583128765
1996	1.0759493670886076
1997	0.4922377887163953
1998	0.3841333464110765
1999	0.3207245642521425
2000	0.18738235543015266
2001	0.25090413712645454
2002	0.3217978718057556
2003	0.4913016704828678
2004	0.29029975193975616
2005	0.6077703688843015
2006	0.5426550449516749
2007	0.7828102475699398
2008	1.2040165700284797
2009	0.6742259872400341
2010	0.620357994354382
2011	0.9994133200419704
2012	1.7145441817763225
2013	1.6233391931944032
2014	1.8222906868823583
2015	2.281246186915805
2016	1.9079505098491008
2017	2.004969877945846
2018	1.6588181626277545
2019	2.1831233021991276
2020	2.852228749763994