 鲜花( 3)  鸡蛋( 0)
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July 10, 2007 6.25%9 m, G! r" v. z7 U& M% h
December 31, 2007 6.00%# k+ E# c1 @) a( D: |" R- D
January 23, 2008 5.75%
3 D a/ r% N3 H' P, vMarch 26, 2008 5.25%3 D( t: P, T7 E+ v' D @# z5 g
April 23, 2008 4.75%
& G, j* z8 O l4 dOctober 8, 2008 4.50%+ b) F. A7 p% B7 _+ i' C
October 10, 2008 4.25%5 j4 T! d5 k* @& R' T+ ~
October 21, 2008 4.00%
$ W; `* O1 V/ F2 I/ ~. |/ o; [" ~December 31, 2008 3.50%% O: W7 o$ b0 c6 X5 N6 _
January 21, 2009 3.00%
# G8 W7 p* W- AMarch 4, 2009 2.50%1 _' |( R ~6 b
April 22, 2009 2.25% |
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