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2010 prices
2009 prices
- 2009 Annual Cost of Service Prices, posted Nov. 17, 2008
- January, posted Dec. 15-16, 2008
- February, posted Jan. 15-16, 2009
- March, posted Feb. 17-18, 2009
- April, posted March 16-17, 2009
- May, posted April 15-16, 2009
- June, posted May 15-18, 2009
- July, posted June 15-16, 2009
- August, posted July 15-16, 2009
- September, posted Aug. 17-18, 2009
- October, posted Sept. 15-16, 2009
- November, posted Oct. 15-16, 2009
- December, posted Nov. 16-17, 2009
2008 prices
- 2008 Annual Cost of Service Prices, posted Nov. 15, 2007
- January, posted Dec. 17-18, 2007
- February, posted Jan. 15-16, 2008
- March, posted Feb. 15-19, 2008
- April, posted March 17-18, 2008
- May, posted April 15-16, 2008
- June, posted May 15-16, 2008
- July, posted June 16-17, 2008
- August, posted July 15-16, 2008
- September, posted Aug. 15-18, 2008
- October, posted Sept. 15-16, 2008
- November, posted Oct. 15-16, 2008
- December, posted Nov. 17-18, 2008
2007 prices
- 2007 Annual Cost of Service Prices, posted Nov. 15, 2006
- January, posted Dec. 15-18, 2006
- February, posted Jan. 15-16, 2007
- March, posted Feb. 15-16, 2007
- April, posted March 15-16, 2007
- May, posted April 16-17, 2007
- June, posted May 15-16, 2007
- July, posted June 15-18, 2007
- August, posted July 16-17, 2007
- September, posted Aug. 15-16, 2007
- October, posted Sept. 17-18, 2007
- November, posted Oct. 15-16, 2007
- December, posted Nov. 15-16, 2007
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