Year Month Nb_of_distinct_IPs Nb_of_downloads 2009 Jan 18 28 2009 Feb 28 32 2009 Mar 40 57 2009 Apr 39 63 2009 May 27 44 2009 Jun 23 30 2009 Jul 28 38 2009 Aug 25 29 2009 Sep 28 30 2009 Oct 32 42 2009 Nov 35 59 2009 Dec 27 41 2009 all 306 493