May 2013  1160k
April 2013  1251k
March 2013  1318k
February 2013  1168k
January 2013  815k

December 2012  965k
November 2012  396k
October 2012  1178k
September 2012  1034k
July 2012  272k
June 2012  157k
May 2012  290k
April 2012  1070k
March 2012  371k
February 2012  360k
January 2012  945k

December 2011  1200k
November 2011  1302k
October 2011  954k
September 2011  392k
July 2011  994k
June 2011  747k
May 2011  287k
April 2011  1322k
March 2011  1204k
February 2011  239k
January 2011  256k

December 2010  412k
November 2010  233k
October 2010  390k
September 2010  276k
July 2010  490k
May 2010  451k
April 2010  295k
March 2010  483k
February 2010  374k
January 2010  276k

December 2009  516k
November 2009  377k
October 2009  761k
September 2009  465k
July 2009  245k
June 2009  860k
May 2009  1792k
April 2009  485k
March 2009  372k
February 2009  292k
January 2009  299k

December 2008  341k
November 2008  390k
October 2008  277k
September 2008  243k
August 2008  255k
July 2008  286k
June 2008  279k
May 2008  285k
April 2008  192k
March 2008  317k
February 2008  686k
January 2008  311k