with 9 episodes premiered on April 11, 1977

with 13 episodes premiered on January 27, 1978

with 13 episodes premiered on January 19, 1979

with 12 episodes premiered on January 18, 1980

with 8 episodes premiered on January 9, 1981

with 10 episodes premiered on January 8, 1982

with 10 episodes premiered on February 18, 1983

with 12 episodes premiered on January 6, 1984

with 12 episodes premiered on January 4, 1985

with 12 episodes premiered on January 12, 1986

with 12 episodes premiered on January 16, 1987

with 12 episodes premiered on January 22, 1988

with 10 episodes premiered on January 20, 1989

with 11 episodes premiered on January 19, 1990

with 11 episodes premiered on January 18, 1991

with 11 episodes premiered on January 24, 1992

with 11 episodes premiered on January 29, 1993

with 11 episodes premiered on January 21, 1994

with 11 episodes premiered on January 20, 1995

with 10 episodes premiered on January 19, 1996

with 12 episodes premiered on January 17, 1997

with 9 episodes premiered on January 9, 1998

with 8 episodes premiered on January 8, 1999

with 12 episodes premiered on January 7, 2000

with 10 episodes premiered on February 9, 2001

with 9 episodes premiered on January 25, 2002

with 11 episodes premiered on March 1, 2003

with 10 episodes premiered on April 9, 2004

with 8 episodes premiered on April 8, 2005

with 4 episodes premiered on April 14, 2006

with 8 episodes premiered on March 2, 2007

with 13 episodes premiered on March 7, 2008

with 5 episodes premiered on April 3, 2009

with 4 episodes premiered on August 28, 2009

with 4 episodes premiered on March 19, 2010

with 4 episodes premiered on September 10, 2010

with 5 episodes premiered on March 25, 2011

with 4 episodes premiered on September 9, 2011

with 4 episodes premiered on March 23, 2012

with 12 episodes premiered on September 14, 2012

with 6 episodes premiered on March 28, 2014

with 6 episodes premiered on November 21, 2014

with 5 episodes premiered on April 3, 2015

with 4 episodes premiered on October 2, 2015

with 5 episodes premiered on March 11, 2016

with 8 episodes premiered on February 24, 2017

with 7 episodes premiered on March 16, 2018

with 9 episodes premiered on April 5, 2019

with 8 episodes premiered on March 20, 2020

with 8 episodes premiered on April 2, 2021

with 8 episodes premiered on March 18, 2022

with 8 episodes premiered on March 10, 2023

with 8 episodes premiered on April 5, 2024

with 8 episodes premiered on March 28, 2025

with 8 episodes premiered on April 3, 2026