Year Month Nb_of_distinct_IPs Nb_of_downloads 2011 Jan 1 1 2011 Feb 0 0 2011 Mar 1 2 2011 Apr 0 0 2011 May 0 0 2011 Jun 1 1 2011 Jul 2 2 2011 Aug 1 1 2011 Sep 2 2 2011 Oct 3 4 2011 Nov 1 1 2011 Dec 3 4 2011 all 15 18