July 1, 2005 - June 30, 2006 | 11 1/2% |
July 1, 2006 - June 30, 2007 | 12 1/2% |
July 1, 2007 - June 30, 2008 | 13 1/2% |
July 1, 2008 - June 30, 2009 | 14 1/2% |
July 1, 2009 - June 30, 2011 | 15 1/2% |
July 1, 2011 - June 30, 2012 and each year thereafter | 16 1/2% |
Okla. Stat. tit. 74, § 920