with 15 episodes premiered on February 10, 1987

with 15 episodes premiered on January 9, 1989

with 9 episodes premiered on October 23, 1990

with 13 episodes premiered on January 3, 1992

with 13 episodes premiered on January 8, 1993

with 13 episodes premiered on November 17, 1995

with 13 episodes premiered on February 23, 1996

with 13 episodes premiered on January 1, 1999

with 10 episodes premiered on April 2, 1999

with 13 episodes premiered on September 7, 2001

with 13 episodes premiered on December 14, 2001

with 12 episodes premiered on October 10, 2003

with 12 episodes premiered on January 9, 2004

with 12 episodes premiered on October 7, 2005

with 15 episodes premiered on January 6, 2006

with 15 episodes premiered on September 21, 2007

with 16 episodes premiered on September 5, 2008

with 14 episodes premiered on January 8, 2009

with 17 episodes premiered on September 28, 2010

with 14 episodes premiered on June 12, 2012

with 15 episodes premiered on September 14, 2012

with 12 episodes premiered on February 8, 2013