Year Month Nb_of_distinct_IPs Nb_of_downloads 2011 Jan 4 5 2011 Feb 0 0 2011 Mar 1 1 2011 Apr 1 1 2011 May 3 3 2011 Jun 1 1 2011 Jul 1 1 2011 Aug 2 2 2011 Sep 4 4 2011 Oct 1 1 2011 Nov 0 0 2011 Dec 2 2 2011 all 19 21