1977 · 55 seasons
1977 · 9 eps.
1978 · 13 eps.
1979 · 13 eps.
1980 · 12 eps.
1981 · 8 eps.
1982 · 10 eps.
1983 · 10 eps.
1984 · 12 eps.
1985 · 12 eps.
1986 · 12 eps.
1987 · 12 eps.
1988 · 12 eps.
1989 · 10 eps.
1990 · 11 eps.
1991 · 11 eps.
1992 · 11 eps.
1993 · 11 eps.
1994 · 11 eps.
1995 · 11 eps.
1996 · 10 eps.
1997 · 12 eps.
1998 · 9 eps.
1999 · 8 eps.
2000 · 12 eps.
2001 · 10 eps.
2002 · 9 eps.
2003 · 11 eps.
2004 · 10 eps.
2005 · 8 eps.
2006 · 4 eps.
2007 · 8 eps.
2008 · 13 eps.
2009 · 5 eps.
2009 · 4 eps.
2010 · 4 eps.
2010 · 4 eps.
2011 · 5 eps.
2011 · 4 eps.
2012 · 4 eps.
2012 · 12 eps.
2014 · 6 eps.
2014 · 6 eps.
2015 · 5 eps.
2015 · 4 eps.
2016 · 5 eps.
2017 · 8 eps.
2018 · 7 eps.
2019 · 9 eps.
2020 · 8 eps.
2021 · 8 eps.
2022 · 8 eps.
2023 · 8 eps.
2024 · 8 eps.
2025 · 8 eps.
2026 · 8 eps.