Year	% of total merchandise imports
1981	1.0724330784870313
1982	1.0332168980745104
1983	1.061887611197086
1984	0.6552173027755687
1985	0.6396203863052191
1986	0.9144011354207086
1987	1.5414934037863723
1988	0.9653726663986022
1989	1.4572574661067998
1990	2.340066877448958
1991	1.929576773558476
1992	1.2022094934442604
1993	2.214524197494044
1994	2.4541789213571397
1995	1.0220740570361204
1996	1.5536131784701714
1997	1.9478487519982928
1998	2.6347643945013823
1999	2.50827953625351
2000	1.9009511613817234
2001	3.336566970355685
2002	3.380667057200232
2003	4.104884101023743
2004	4.1274206722716045
2005	5.794780976871288
2006	5.885792681376735
2007	3.273924545169388
2008	3.549237368682244
2009	3.2274455999243936
2010	3.092397628357923
2011	3.3320609837082458
2012	3.523617656304091
2013	3.6114340407464556
2014	3.9244542796728226
2015	4.399515946931704
2016	4.727895174444561
2017	4.566422792068681
2018	5.449984304299151
2019	5.922624622769793
2020	6.69252547957243