Year	% of total merchandise imports
1981	0.936121702641784
1982	1.7342701283785102
1983	3.7339030026040616
1984	7.348306656451732
1985	3.156971672772175
1986	2.268372088311393
1987	4.484865331378257
1988	4.088361058968978
1989	2.977324285849332
1990	2.5821246302252785
1991	0.8966349584038685
1992	2.065070083275706
1993	1.4629278610124201
1994	1.6677829273279228
1995	2.9711455146398853
1996	2.415804808957487
1997	2.974768801220344
1998	2.4851506307487905
1999	1.783928410121675
2000	1.8236259558352372
2001	1.7413114667215024
2002	1.9516767410143792
2003	2.043002719047007
2004	2.5427338636702994
2005	3.4121288808270243
2006	4.003431887205752
2007	1.6492836245120288
2008	1.5309793366342672
2009	1.7969313899934163
2010	1.995811454846129
2011	0.9251728737670727
2012	1.1766080146366757
2013	0.44964564575265753
2014	0.47499376227053147
2015	0.4516715931787471
2016	0.5035800637175842
2017	0.4823944672941875
2018	0.5999152990507786
2019	0.6527821602480534
2020	1.719498037814408