Year	% of total merchandise imports
1960	3.501758714478196
1961	3.4357791561110544
1962	2.894252453116516
1963	4.16981822618031
1964	3.736486035879158
1965	3.7455917445806874
1966	4.118965348323746
1967	3.7984412316468505
1968	4.112432386198684
1969	4.2560728851021725
1970	3.812844480710139
1971	3.808526673715445
1972	3.57869419580915
1973	3.4368132471009427
1974	3.673507802407076
1975	2.473468834068948
1976	1.5066699823375185
1977	1.4015130605443953
1978	1.4252764958121384
1979	2.2743745982944668
1980	3.44405966390109
1981	2.1343603976285723
1982	2.5453452221077177
1983	3.0144301022855755
1984	3.9629999574796306
1985	3.3231478496506885
1986	1.9956787146938542
1987	2.1026717985892573
1988	1.694522077468864
1989	2.7185977107542323
1990	3.5175254870426906
1991	3.684054296446831
1992	3.6261705010473677
1993	3.695425541226227
1994	4.58513217333789
1995	3.9434146349476675
1996	3.562487813364405
1997	3.3997505475173466
1998	2.6601693777593645
1999	3.0654948329960208
2000	3.471890152948455
2001	3.733426038944433
2002	4.534065169536956
2003	4.987369490567593
2004	6.851793494296155
2005	4.156407122160257
2006	4.074969718732032
2007	5.5222910484958465
2008	7.1007873480742445
2009	8.089407821388273
2010	7.391365814128154
2011	3.701051477759771
2012	3.305733445250616
2013	3.305635123624789
2014	3.501730093012211
2015	3.3436214271101417
2016	3.421185639952901
2017	3.4376423912416
2018	3.1700158054975605
2019	3.4162776613878476
2020	3.1127228578808994