Year Month Nb_of_distinct_IPs Nb_of_downloads 2009 Jan 18 31 2009 Feb 14 18 2009 Mar 35 47 2009 Apr 40 58 2009 May 21 39 2009 Jun 15 19 2009 Jul 27 33 2009 Aug 18 23 2009 Sep 19 22 2009 Oct 26 28 2009 Nov 29 55 2009 Dec 16 25 2009 all 238 398