How The Economist saw it at the time
May 1st–7th 2010
July 10th–16th 2010
November 20th–26th 2010
December 4th–10th 2010
March 12th-18th 2011
June 11th-17th 2011
June 25th-July 1st 2011
October 29th-November 4th 2011
November 5th-11th 2011
November 12th-18th 2011
November 26th-December 2nd 2011
March 31st–April 6th 2012
May 19th–25th 2012
May 26th-June 1st 2012
July 28th-August 3rd 2012
August 11th-17th 2012
November 17th-23rd 2012
March 23rd-29th 2013
September 14th–20th 2013
October 26th-November 1st 2013
January 4th-10th 2014