GTG 25-8   GTG 25-7
November/December 2006 - 25/8   October 2006 - 25/7
GTG 25-6   GTG 25-5
September 2006 - 25/6   July 2006 - 25/5
GTG 25-4   GTG 25-3
May/June 2006 - 25/4   April 2006 - 25/3
GTG 25-2   GTG 25-1
March 2006 - 25/2   January/February 2006 - 25/1