#5 RA2, February 2016 #5 RA2, March 2011 #4 RA2 YR, May 2010 #7 RA2, February 2010 #1 RA2, January 2010 #6 RA2, April 2009 #7 RA2, March 2009 #2 RA2, January 2009 #1 RA2, October 2008 #6 RA2, September 2008 #10 RA2, October 2007 #10 RA2, June 2007 #4 RA2, January 2007 #4 RA2, April 2005 #5 RA2, March 2005 #2 RA2, April 2003
Hint: Multiple factories allow you to produce faster.