Have a look at these reports, looks very positive trend continues.
Just remember that a 10% rise in portfolio value increases our NTA by 33% to circa 24 cents. ignoring any currency movements.
http://dsg.colliers.com/document.aspx?report=1938.pdf
http://www.transwestern.net/Market-Research/Documents/Q3%202011%20Chicago%20Industrial%20Outlook.pdf