Nov 2012: +61.00 units Dec 2012: +47.10 units Jan 2013: -250.05 units Feb 2013: +45.70 units Mar 2013: +03.55 units April 2013: +01.50 units May 2013: +140.75 units Jun 2013: +06.50 units July 2013: +04.00 units AUG 2013: -29.00 units Sept 2013: +102.75 units Oct 2013: -36.00 units Nov 2013: -19.00 Units Dec 2013: +124.50 Units JAN 2014: +149.80 Units Feb 2014: +00.00 Units