Year Month Nb_of_distinct_IPs Nb_of_downloads 2011 Jan 24 30 2011 Feb 30 44 2011 Mar 28 45 2011 Apr 33 46 2011 May 21 28 2011 Jun 35 42 2011 Jul 40 45 2011 Aug 40 45 2011 Sep 31 39 2011 Oct 36 55 2011 Nov 39 50 2011 Dec 30 40 2011 all 349 509