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Shares Mil History for Quanta Services, Inc. (PWR)

Year Shares Mil
2002 81.0
2003 111.0
2004 114.0
2005 117.0
2006 118.0
2007 167.0
2008 202.0
2009 201.0
2010 212.0
2011 213.0
2012 213.0