1974 · 53 seasons
1974 · 13 eps.
1974 · 17 eps.
1976 · 20 eps.
1977 · 19 eps.
1978 · 21 eps.
1979 · 19 eps.
1980 · 20 eps.
1981 · 20 eps.
1982 · 19 eps.
1983 · 21 eps.
1984 · 20 eps.
1985 · 20 eps.
1986 · 21 eps.
1987 · 21 eps.
1988 · 22 eps.
1989 · 20 eps.
1990 · 20 eps.
1991 · 19 eps.
1992 · 20 eps.
1993 · 20 eps.
1994 · 20 eps.
1995 · 13 eps.
1995 · 19 eps.
1996 · 21 eps.
1997 · 20 eps.
1998 · 20 eps.
1999 · 21 eps.
2000 · 17 eps.
2001 · 17 eps.
2002 · 16 eps.
2003 · 18 eps.
2004 · 18 eps.
2005 · 20 eps.
2006 · 15 eps.
2007 · 17 eps.
2008 · 17 eps.
2009 · 18 eps.
2010 · 18 eps.
2011 · 19 eps.
2012 · 20 eps.
2013 · 22 eps.
2014 · 22 eps.
2015 · 22 eps.
2016 · 28 eps.
2018 · 23 eps.
2019 · 23 eps.
2020 · 16 eps.
2021 · 25 eps.
2022 · 19 eps.
2023 · 18 eps.
2024 · 18 eps.
2025 · 20 eps.
2026 · 8 eps.