with 14 episodes premiered on April 11, 1989

with 13 episodes premiered on January 8, 1991

with 13 episodes premiered on October 14, 1992

with 13 episodes premiered on April 9, 1993

with 13 episodes premiered on August 12, 1994

with 13 episodes premiered on August 18, 1995

with 13 episodes premiered on November 15, 1996

with 13 episodes premiered on February 14, 1997

with 13 episodes premiered on September 24, 1999

with 13 episodes premiered on January 7, 2000

with 13 episodes premiered on March 22, 2002

with 13 episodes premiered on September 20, 2002

with 13 episodes premiered on January 3, 2003

with 13 episodes premiered on April 25, 2003

with 12 episodes premiered on October 29, 2004

with 12 episodes premiered on February 4, 2005

with 13 episodes premiered on October 6, 2006

with 15 episodes premiered on January 3, 2007

with 16 episodes premiered on January 2, 2008

with 16 episodes premiered on January 1, 2009

with 14 episodes premiered on January 8, 2010

with 15 episodes premiered on October 7, 2011

with 13 episodes premiered on January 20, 2012

with 12 episodes premiered on October 11, 2013