Year Month Nb_of_distinct_IPs Nb_of_downloads 2009 Jan 40 55 2009 Feb 37 51 2009 Mar 67 99 2009 Apr 73 107 2009 May 47 64 2009 Jun 31 41 2009 Jul 61 69 2009 Aug 45 71 2009 Sep 46 52 2009 Oct 63 81 2009 Nov 60 87 2009 Dec 50 72 2009 all 558 849