Here would be my ranking:
1: 2003 - 10-wins & a final ranking
2. 2002 - 8 wins and a victory over #25 Arkansas
3. 2005 - 4 conf wins including a W over Michigan and beating (overrated) #11 Purdue
4. 2004 - Bowl win over Alabama and a few blowouts inc. 45-0 over Illinois
5. 2000 - 4-4 BT record inc. over #8 Ohio St (loss to Ohio U???)
6. 2006 - TTech meltdown, but there was finishing with 3 BT wins inc. Iowa.
7. 2009 - Putrid offense. Never won convincingly.
8. 2008 - 5 game swoon to end the year incl. 0-55 vs Iowa.
9. 2001 - 2-6 BT record. No bowl.
10. 2007. 1-11. Loss to NDSU.