Exchange rate at commercial banks was amended several times up to +/- 0.75% (from 23/12/2007 to 03/09/2008), +/- 1% (10/03/2008 to 25/06/2008), +/- 2% (26/05/2008 to 05/11/2008), +/- 3% (06/11/2008 to 23/03/2009), +/- 5 % (24/03/2009 to 25/11/2009), and +/- 3% (26/11/2009 to 11/02/2011), +/- 1% (from 11/02/2011 until the end of 2013 ).
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