Year Month Nb_of_distinct_IPs Nb_of_downloads 2009 Jan 22 40 2009 Feb 24 27 2009 Mar 55 75 2009 Apr 50 87 2009 May 33 60 2009 Jun 31 40 2009 Jul 61 83 2009 Aug 31 40 2009 Sep 33 39 2009 Oct 31 33 2009 Nov 43 72 2009 Dec 28 45 2009 all 368 641