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1980 San Francisco |
1981 New York City |
1982 San Francisco |
1983 Los Angeles |
1984 San Francisco |
1985 San Francisco |
| 1988 San Francisco |
1990 New York City (10 Year Anniversary) |
1993 San Francisco |
| 1995 Los Angeles |
1997 New York City |
1998 San Francisco |
1999 Chicago |
2000 Houston (20 Year Anniversary) |
2001 Boston |
2002 New Orleans |
2003 San Francisco |
2004 Washington D.C. |
| 2005 New York City |
2006 Las Vegas |
2007 New Orleans |
| 2008 Washington D.C. |
2009 Las Vegas |
2010 Boston (30 Year Anniversary) |
2011 San Diego |
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