-
2015 - Houston
April 11, 2015
-
2014 - Houston
April 5, 2014
-
2013 - Houston
April 6, 2013
-
2012 - Houston
March 31, 2012
-
2011 - Houston
February 12, 2011
-
2010 - Houston
April 10, 2010
-
2009 - Houston
January 24, 2009
-
2008 - Houston
February 16, 2008
-
2007 - Houston
February 10, 2007
-
2006 - Houston
April 1, 2006
-
2005 - Houston
April 30, 2005
-
2004 - Houston
February 14, 2004
-
2003 - Houston
March 29, 2003
