Year Month Nb_of_distinct_IPs Nb_of_downloads 2009 Jan 21 35 2009 Feb 20 29 2009 Mar 41 54 2009 Apr 44 69 2009 May 24 43 2009 Jun 22 27 2009 Jul 30 41 2009 Aug 22 26 2009 Sep 31 34 2009 Oct 34 42 2009 Nov 32 55 2009 Dec 28 37 2009 all 301 492