Year	% of total merchandise imports
1967	0.2763156076871002
1968	0.5710864459079814
1969	0.7483319523788757
1970	1.0354110581901015
1971	2.2718317490026103
1972	1.5334590695149455
1973	0.9360866306567079
1974	0.5793614195914999
1975	0.5277634363800501
1976	0.2301994644543471
1977	0.2451862418217056
1978	0.2119317136790008
1979	0.21946213045870147
1980	0.20060161789972167
1981	0.27544920213991564
1982	0.15596435233934855
1983	0.6049621473483707
1984	1.3668002995726685
1985	1.36680029962391
1986	0.2864044835249782
1987	0.04711769675700267
1988	0.5844171479480044
1989	0.04210682749823523
1990	0.006721454514028332
1991	0.1688655596519758
1992	0.4598861957412428
1993	1.1383084974828948
1994	0.18865589533249916
1995	0.4041711130890573
1996	0.09250133151572223
1997	0.12887689986403383
1998	0.05992732618387849
1999	0.08108986508017539
2000	0.9817708931899044
2001	0.9821307060422018
2002	0.982175212806961
2003	0.9819493756486926
2004	0.9819501658159544
2005	0.9821004387099467
2006	0.9822509785520973
2007	0.98225092461725
2008	0.9822507161174125
2009	0.9822508964372068
2010	0.9822508034784775
2011	0.9822506983866953
2012	0.9822508731123838
2013	0.9822508268188057
2014	0.982250700561007
2015	0.9822507790696539
2016	0.9822508597481967
2017	0.9822505242368551
2018	1.513787616476091
2019	1.2797377655521394
2020	1.2797376535542395