through the certegy merger , the company has an obligation to service $ 200 million ( aggregate principal amount ) of unsecured 4.75% ( 4.75 % ) fixed-rate notes due in 2008 . the notes were recorded in purchase accounting at a discount of $ 5.7 million , which is being amortized over the term of the notes . the notes accrue interest at a rate of 4.75% ( 4.75 % ) per year , payable semi-annually in arrears on each march 15 and september 15 . on april 11 , 2005 , fis entered into interest rate swap agreements which have effectively fixed the interest rate at approximately 5.4% ( 5.4 % ) through april 2008 on $ 350 million of the term loan facilities ( or its replacement debt ) and at approximately 5.2% ( 5.2 % ) through april 2007 on an additional $ 350 million of the term loan . the company has designated these interest rate swaps as cash flow hedges in accordance with sfas no . 133 . the estimated fair value of the cash flow hedges results in an asset to the company of $ 4.9 million and $ 5.2 million , as of december 31 , 2006 and december 31 , 2005 , respectively , which is included in the accompanying consolidated balance sheets in other noncurrent assets and as a component of accumulated other comprehensive earnings , net of deferred taxes . a portion of the amount included in accumulated other comprehensive earnings is reclassified into interest expense as a yield adjustment as interest payments are made on the term loan facilities . the company 2019s existing cash flow hedges are highly effective and there is no current impact on earnings due to hedge ineffectiveness . it is the policy of the company to execute such instruments with credit-worthy banks and not to enter into derivative financial instruments for speculative purposes . principal maturities at december 31 , 2006 ( and at december 31 , 2006 after giving effect to the debt refinancing completed on january 18 , 2007 ) for the next five years and thereafter are as follows ( in thousands ) : december 31 , january 18 , 2007 refinancing .
fidelity national information services , inc . and subsidiaries and affiliates consolidated and combined financial statements notes to consolidated and combined financial statements 2014 ( continued ) .
December 31,   2006 January 18, 2007   Refinancing
2007 $61,661 $96,161
2008 257,541 282,041
2009 68,129 145,129
2010 33,586 215,586
2011 941,875 165,455
Thereafter 1,646,709 2,105,129
Total $3,009,501 $3,009,501
december 31 2006 january 18 2007 refinancing
2007 $ 61661 $ 96161
2008 257541 282041
2009 68129 145129
2010 33586 215586
2011 941875 165455
thereafter 1646709 2105129
total $ 3009501 $ 3009501
what is the percentage change in estimated fair value of the cash flow hedges from 2005 to 2006?