1970 · 57 seasons
1970 · 2 eps.
1971 · 11 eps.
1972 · 11 eps.
1973 · 11 eps.
1974 · 11 eps.
1975 · 12 eps.
1976 · 11 eps.
1977 · 13 eps.
1978 · 12 eps.
1979 · 13 eps.
1980 · 12 eps.
1981 · 12 eps.
1982 · 12 eps.
1983 · 9 eps.
1984 · 12 eps.
1985 · 12 eps.
1986 · 12 eps.
1987 · 12 eps.
1988 · 14 eps.
1989 · 12 eps.
1990 · 11 eps.
1991 · 15 eps.
1992 · 15 eps.
1993 · 18 eps.
1994 · 15 eps.
1995 · 22 eps.
1996 · 27 eps.
1997 · 27 eps.
1998 · 26 eps.
1999 · 29 eps.
2000 · 29 eps.
2001 · 29 eps.
2002 · 31 eps.
2003 · 33 eps.
2004 · 30 eps.
2005 · 35 eps.
2006 · 32 eps.
2007 · 35 eps.
2008 · 31 eps.
2009 · 34 eps.
2010 · 35 eps.
2011 · 36 eps.
2012 · 35 eps.
2013 · 36 eps.
2014 · 36 eps.
2015 · 40 eps.
2016 · 37 eps.
2017 · 35 eps.
2018 · 37 eps.
2019 · 37 eps.
2020 · 36 eps.
2021 · 33 eps.
2022 · 36 eps.
2023 · 35 eps.
2024 · 32 eps.
2025 · 36 eps.
2026 · 16 eps.