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## Five-Year Financial Summary 

<img src='content_image/196288.jpg'>

(a) For a discussion of items that affected the comparability of results for the years 2012, 2011 and 2010, see “Management’s Discussion and Analysis of Financial Condition and Results of Operations—Non-GAAP Financial Measures.” 

(b) Marketable securities include current and non-current assets. 

(c) Also includes the current portion of long-term debt. 

