Investor Tools
20F XBRL files
2013 20F ----------------------------------------------- 2013 XBRL --------
2012 20F ----------------------------------------------- 2012 XBRL --------
2011 20F ----------------------------------------------- 2011 XBRL --------
2010 20F -----------------------------------------------  
2009 20F -----------------------------------------------  
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2007 20F -----------------------------------------------  
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2005 20F -----------------------------------------------  
2004 20F -----------------------------------------------