| Des Moines | 2003 | 2004 | 2005 | 2007 | 2008 | ||
| Futurity | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | |
| Louisville | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | |
| Maturity | 2003 | 2004 | 2006 | 2007 | 2008 | ||
| National | 2007 | 2008 | |||||
| New Ulm | 2003 | 2004 | 2005 | 2007 | |||
| Shawnee | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | |
| Tulsa | 2003 | 2004 | 2005 | 2007 | 2008 |