Year	% of total merchandise imports
1960	1.1261053370008676
1961	0.8917231875050666
1962	1.6005941045252647
1963	1.4031189840437042
1964	1.7163110316918064
1965	1.9005179697952734
1966	1.4868056498614695
1967	1.2701089960738736
1968	1.1326355936733519
1969	0.8829506711694605
1970	1.2249877236984368
1971	1.2054236271212524
1972	1.7105667925916401
1973	1.9272839486987083
1974	2.3907975769530356
1975	2.326805856117336
1976	1.425423872443891
1977	1.2926883242946487
1978	1.0466942591110218
1979	1.0827463036562397
1980	1.140999073384354
1981	1.4024625881818296
1982	1.614515573850571
1983	1.9533397500299028
1984	2.2218467440325176
1985	2.4931507831396127
1986	2.1778256740839375
1987	2.4071733184989568
1988	2.1606831564676776
1989	2.2502519729946195
1990	1.8205777483129375
1991	1.7093371755987872
1992	1.4157412456188418
1993	1.8835609185902757
1994	1.8628362061162682
1995	2.173763327992546
1996	2.5426126615543407
1997	2.7268929385183904
1998	2.488916146818768
1999	2.0954491041690204
2000	2.2406105706846287
2001	2.6748175041783244
2002	2.667607607516218
2003	2.757668448585724
2004	2.6116323170250304
2005	2.7205456630246085
2006	2.471367572159472
2007	2.4385400707442306
2008	2.4790509071554396
2009	2.6323819429515414
2010	2.9172228454940843
2011	3.2716574974409003
2012	3.031945613959659
2013	2.789809099902497
2014	2.6440095068893767
2015	2.6210721197085016
2016	2.6168476012882897
2017	2.9017536184298454
2018	2.816583405826382
2019	3.22548369867139
2020	3.244703972937107