The monthly installation rateover the last two years is shown in the following table: Period Installations Undertaken January 2006 1,047 February 2006 1,147 March 2006 1,621 April 2006 679 May 2006 1,220 June 2006 1,035 July 2006 931 August 2006 996 September 2006 834 October 2006 28* November 2006 28* December 2006 29* January 2007 1,486* February 2007 1,486* March 2007 1,486* April 2007 869 May 2007 870 June 2007 1,194 July 2007 1,101 August 2007 1,209 September 2007 1,014 October 2007 996 November 2007 1,005 December 2007 876 Notes: 1.