LATEST ISSUE: Spring 2010
| 2010 | 2008 | 2004 | 2000 | 1996 | 1992 | 1988 | 1984 |
| Spring | Spring | Spring | Spring | Spring | Spring | Spring | Spring |
| Fall | Fall | Fall | Fall | Fall | Fall | Fall | Fall |
| 2009 | 2007 | 2003 | 1999 | 1995 | 1991 | 1987 | 1983 |
| Spring | Spring | Spring | Spring | Spring | Spring | Spring | Spring |
| Fall | Fall | Fall | Fall | Fall | Fall | Fall | Fall |
| 2006 | 2002 | 1998 | 1994 | 1990 | 1986 | 1982 | |
| Spring | Spring | Spring | Spring | Spring | Spring | Spring | |
| Fall | Fall | Fall | Fall | Fall | Fall | Fall | |
| Winter | |||||||
| 2005 | 2001 | 1997 | 1993 | 1989 | 1985 | 1981 | |
| Spring | Spring | Spring | Spring | Spring | Spring | Spring | |
| Fall | Fall | Fall | Fall | Fall | Fall | Fall | |
| Winter |