Consolidated Statements of Income Data Years Ended December 31 Total sales Income before provision for income taxes Net income Earnings per common share  (Diluted) 2013 $ 641,744 $ 60,855 $ 45,794 $ 0.77 2012 $ 620,614 $ 72,965 $ 47,263 $ 0.74 Years Ended December 31 Working capital 6 Total assets Stockholders’ equity 2013 $ 277,335 $ 789,898 $ 604,606 2012 $ 337,979 $ 883,656 $ 692,406 Consolidated Balance Sheets Data (In thousands) (In thousands, except per share amounts) 1 Net of $16 million in stock repurchases and $22 million in dividend payments during 2009 2 Net of $18 million in stock repurchases and $23 million in dividend payments during 2010 3 Net of $36 million in stock repurchases and $23 million in dividend payments during 2011 4 Net of $39 million in stock repurchases and $23 million in dividend payments during 2012 5 Net of $124 million in stock repurchases and $21 million in dividend payments during 2013 6 Working capital consists of current assets less current liabilities ADTRAN 2013 Annual Report 12 $606 2012 2010 2011 $717 $621 2009 $484 2013 $642 2012 2010 2011 2009 $1.78 $2.12 $0.74 $1.17 2013 $0.77 58% 59% 51% 2012 2010 2011 2009 59% 2013 48% 3 2 $396 $476 4 $500 2012 2010 2011 2009 $305 1 2013 $408 5 Gross Margin Annual Revenue  (In millions) Annual  Earnings Per Share (Diluted) Unrestricted Cash and Marketable Securities (In millions)