U.S. housing starts are forecast to increase 1.3% annually in unit terms through 2023, according to a new report.  “Housing: United States,” a report recently released by Freedonia Focus Reports, says builders will benefit from population growth and household creation, as well as strengthening consumer finances.  The fastest growth is expected for manufactured homes. Design enhancements that allow the homes to more closely resemble conventional housing as well as more specialized and value-added features will support demand.  In terms of value, expenditures on residential building construction, including improvements, are ...