Year	% of total merchandise imports
1997	3.3915822742256565
1998	3.33511503751993
1999	3.8505133270929157
2000	3.9885681991774384
2001	4.16786695687692
2002	4.042804260353239
2003	4.260667233271056
2004	4.474531294422465
2005	4.823619032418044
2006	5.081138291772028
2007	5.600794688721147
2008	5.5390525218183875
2009	5.458725750460847
2010	5.525474424833495
2011	5.527064159934549
2012	5.253099101550502
2013	5.151151768663195
2014	5.451290944897509
2015	6.121513524618539
2016	6.101932086745438
2017	6.111903597575876
2018	5.741149195840395
2019	6.371344381914764
2020	7.175682957953409
