11.  Dividends

During the six months ended June 30, 2013 and 2012, we paid regular cash dividends per common share of $0.17 and $0.16, respectively.   On August 7, 2013, our board of directors declared a cash dividend of $0.09 per common share, payable on September 12, 2013 to shareholders of record on August 22, 2013.