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| 1 | 1970 | Concord, MA |
| 2 | 1971 | Lanham, MD |
| 3 | 1972 | Virginia Beach, VA |
| 4 | 1973 | Atlantic City, NJ |
| 5 | 1974 | South Egremont, MA |
| 6 | 1975 | East Troy, WI |
| 7 | 1976 | Washington, DC |
| 8 | 1977 | San Francisco, CA |
| 9 | 1978 | Milwaukee, WI |
| 10 | 1979 | Boston, MA |
| 11 | 1980 | San Diego, CA |
| 12 | 1981 | Milwaukee, WI |
| 13 | 1982 | Albany, NY |
| 14 | 1983 | Colorado Springs, CO |
| 15 | 1984 | Sturbridge, MA |
| 16 | 1985 | Monterey, CA |
| 17 | 1986 | Haines City, FL |
| 18 | 1987 | Tulsa, OK |
| 19 | 1988 | Rochester, NY |
| 20 | 1989 | Keystone, CO |
| 21 | 1990 | Columbus, OH |
| 22 | 1991 | Waterbury, CT |
| 23 | 1992 | West Palm Beach, FL |
| 24 | 1993 | Sonoma, CA |
| 25 | 1994 | Andover, MA |
| 26 | 1995 | Breckenridge, CO |
| 27 | 1996 | Tyson's Corner, VA |
| 28 | 1997 | Waterville Valley, NH |
| 29 | 1998 | Orlando, FL |
| 30 | 1999 | Indianapolis, IN |
| 31 | 2000 | Greenville, SC |
| 32 | 2001 | Waterville Valley, NH |
| 33 | 2002 | Keystone, CO |
| 34 | 2003 | Austin, TX |
| 35 | 2004 | Pasadena, CA |
| 36 | 2005 | Greensboro, NC |
| 37 | 2006 | Grand Rapids, MI |
| 38 | 2007 | Fort Worth, TX |
| 39 | 2008 | Watkins Glen, NY |
| 40 | 2009 | |
| 41 | 2010 |