Year Month Nb_of_distinct_IPs Nb_of_downloads 2009 Jan 28 43 2009 Feb 25 32 2009 Mar 39 53 2009 Apr 36 68 2009 May 27 40 2009 Jun 26 33 2009 Jul 31 40 2009 Aug 21 26 2009 Sep 33 35 2009 Oct 37 42 2009 Nov 40 64 2009 Dec 29 47 2009 all 321 523