| Location | Year |
|---|---|
| Middletown, VA | 2017 |
| Carbondale, CO | 2016 |
| Alturas, CA | 2015 |
| Carbondale, CO | 2014 Unavailable |
| Middletown, VA | 2013 |
| Klamath Falls, OR | 2012 |
| Carbondale, CO | 2011 |
| Middletown, VA | 2010 Unavailable |
| Klamath Falls, OR | 2009 |
| Sturgis, SD | 2008 |
| Gettsburg, PA | 2007 |
| Klamath Falls, OR | 2006 |