specifics USTR Web site $632 billion in total (two ways) goods trade during 2013. Canada | United States Trade Representative trade with Canada totaled over $680 billion U.S. Office of the Trade Representative: Canada Canada | United States Trade Representative U.S.’s largest export market cross-border trade U.S. Office of the Trade Representative: Canada specifics Canada | United States Trade Representative $495 billion specifics trade with Canada totaled over $680 billion http://www.ustr.gov/countries-regions/americas/canada http://www.ustr.gov/countries-regions/americas/canada U.S.’s largest export market site du USTR U.S. Office of the Trade Representative: Canada