Year Month Nb_of_distinct_IPs Nb_of_downloads 2011 Jan 33 60 2011 Feb 33 47 2011 Mar 35 54 2011 Apr 41 51 2011 May 25 31 2011 Jun 40 47 2011 Jul 50 56 2011 Aug 51 57 2011 Sep 39 55 2011 Oct 41 70 2011 Nov 42 66 2011 Dec 34 43 2011 all 417 637