| http://www.w3.org/ns/prov#value | - Nearly $665 billion of that moved along roadways, by far the most of any mode, including air, vessel, rail and pipeline.Total trade with Canada equaled $616 billion, up 9.7% from 2007 through 2012, with more than $341 billion of that moved over the road, a nearly 5.2% increase during the same time.Total trade with Mexico was nearly $494 billion, up 42% from 2007 through 2012, with $323 billion of
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