Year Month Nb_of_distinct_IPs Nb_of_downloads 2011 Jan 520 831 2011 Feb 458 743 2011 Mar 539 948 2011 Apr 528 851 2011 May 529 1039 2011 Jun 486 850 2011 Jul 505 895 2011 Aug 453 819 2011 Sep 456 2576 2011 Oct 493 3131 2011 Nov 621 2924 2011 Dec 453 3390 2011 all 4440 18997