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| Year | Location | Dates |
| 1972 | Orcas Island WA | March 21 - April 1 |
| 1973 | Orcas Island WA | March 21-25 |
| 1974 | Asilomar CA | March 13 - 17 |
| 1975 | Stuart FL | March 26 - 30 |
| 1976 | Charleston SC | February 25-29 |
| 1977 | Monterey CA | March 2-6 |
| 1978 | Asilomar CA | February 15-19 |
| 1979 | Clearwater FL | February 28 - March 3 |
| 1980 | Galveston TX | February 27 - March 2 |
| 1981 | San Diego CA | February 25 - March 1 |
| 1982 | Hilton Head SC | March 3 - 7 |
| 1983 | New Harmony IN | March 9 - 13 |
| 1984 | Moloka'i HI | February 28 - March 3 |
| 1985 | Salem MA | March 6-10 |
| 1986 | New Harmony IN | March 5-9 |
| 1987 | Monterey CA | February 18-22 |
| 1988 | Savannah GA | February 17-22 |
| 1989 | San Antonio TX | February 22-25 |
| 1990 | Lihue, Kaua'i HI | March 21-25 |
| 1991 | Victoria BC | March 27-30 |
| 1992 | New Orleans LA | February 19-23 |
| 1993 | Kona, Hawai'i HI | February 6-12 |
| 1994 | San Diego CA | February 9-13 |
| 1995 | Clearwater FL | February 22-25 |
| 1996 | Kona, Hawai'i HI | February 6-12 |
| 1997 | San Diego CA | February 18-22 |
| 1998 | Pensacola FL | February 3-7 |
| 1999 | Hilo, HawaiÔi HI | February 2-6 |
| 2000 | Vancouver BC | February 15-19 |
| 2001 | Miami FL | February 13-17 |
| 2002 | Auckland NZ | February 19-23 |
| 2003 | Vancouver BC | February 11-15 |
| 2004 | Salem MA | February 24-28 |
| 2005 | Kauai HI | February 2-5 |
| 2006 | San Diego CA | February 8-11 |
| 2007 | Charlottesville VA | February 20-24 |
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