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Shares Mil History for Aetna Inc. (AET)

Year Shares Mil
2002 612.0
2003 632.0
2004 628.0
2005 605.0
2006 569.0
2007 527.0
2008 488.0
2009 450.0
2010 423.0
2011 380.0
2012 345.0