1964 · 62 seasons
1964 · 9 eps.
1965 · 24 eps.
1966 · 23 eps.
1967 · 23 eps.
1968 · 24 eps.
1969 · 37 eps.
1970 · 37 eps.
1971 · 32 eps.
1972 · 33 eps.
1973 · 32 eps.
1974 · 33 eps.
1975 · 26 eps.
1976 · 30 eps.
1977 · 23 eps.
1978 · 24 eps.
1979 · 25 eps.
1980 · 25 eps.
1981 · 27 eps.
1982 · 22 eps.
1983 · 24 eps.
1984 · 22 eps.
1985 · 16 eps.
1986 · 22 eps.
1987 · 22 eps.
1988 · 25 eps.
1989 · 20 eps.
1990 · 20 eps.
1991 · 23 eps.
1992 · 19 eps.
1993 · 21 eps.
1994 · 21 eps.
1995 · 20 eps.
1996 · 16 eps.
1997 · 15 eps.
1998 · 18 eps.
1999 · 14 eps.
2000 · 19 eps.
2001 · 11 eps.
2002 · 18 eps.
2003 · 19 eps.
2004 · 18 eps.
2005 · 20 eps.
2006 · 19 eps.
2007 · 9 eps.
2008 · 17 eps.
2009 · 18 eps.
2009 · 14 eps.
2010 · 15 eps.
2011 · 13 eps.
2012 · 16 eps.
2013 · 11 eps.
2014 · 18 eps.
2016 · 16 eps.
2017 · 15 eps.
2018 · 13 eps.
2019 · 6 eps.
2020 · 8 eps.
2021 · 4 eps.
2022 · 4 eps.
2024 · 1 eps.
2025 · 4 eps.
2026 · 1 eps.