The share buy-back launched in May 2010 has been concluded in April 2011. » more
The share buy-back launched in October 2009 has been concluded in April 2010. » more
The share buy-back launched in May 2008 has been concluded in March 2009. » more
The share buy-back launched in May 2007 has been concluded in January 2008. » more
The share buy-back launched in November 2006 has been concluded in April 2007. » more
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