Year Month Nb_of_distinct_IPs Nb_of_downloads 2009 Jan 22 41 2009 Feb 19 35 2009 Mar 56 82 2009 Apr 45 75 2009 May 33 51 2009 Jun 32 40 2009 Jul 39 47 2009 Aug 32 53 2009 Sep 36 46 2009 Oct 45 61 2009 Nov 34 58 2009 Dec 29 50 2009 all 322 639