- Price Variation
- July 2013
- June 2013
- May 2013
- April 2013
- March 2013
- February 2013
- January 2013
- December 2012
- November 2012
- October 2012
- September 2012
- August 2012
- July 2012
- Market Rates (Feb. to July)
- 1st Feb. 2013 to 31st July 2013
- 1st Aug. 2012 to 31st Jan. 2013
- 1st Feb. 2012 to 31st July 2012