(7 episodes, 1986-1990)
(6 episodes, 1987-1989)
(4 episodes, 1978)
(3 episodes, 1972)
(3 episodes, 1976-1988)
(3 episodes, 1979-1980)
(3 episodes, 1984-1988)
(3 episodes, 1984-1987)
(3 episodes, 1988-1989)
(3 episodes, 1997)
(2 episodes, 1974-1978)
(2 episodes, 1977-1980)
(2 episodes, 1982-1989)
(2 episodes, 1985-1986)
(1 episode, 1968)
(1 episode, 1972)
(1 episode, 1973)
(1 episode, 1974)
(1 episode, 1975)
(1 episode, 1976)
(1 episode, 1977)
(1 episode, 1979)
(1 episode, 1980)
(1 episode, 1981)
(1 episode, 1982)
(1 episode, 1983)
(1 episode, 1984)
(1 episode, 1985)
(1 episode, 1986)
(1 episode, 1987)
(1 episode, 1988)
(1 episode, 1989)
(1 episode, 1990)
(1 episode, 1993)
(1 episode, 1996)