Canada Softwood Lumber Exports : VOLUMES 2010 to 2014. Canada Sawmill Products Exports: VALUES 2010 to 2014. Construction Framing Material Price Comparison, North America : Key Dimension 2x4 Lumber Prices 2014 to February 2015. Canada Sales at Sawmills: VALUES 2010 to 2014. US Major Home Building Company Shares : 2013 to February 2015.