|  Other significant information |  Early Liquidation of the Fund and Early Amort. of the Bonds  |  03/31/2011 |  | 
|  Other significant information |  Ratings Bonds revised by Moody´s                             |  07/17/2009 |  | 
|  Ratings updating |  Moody's Investors Services |  07/15/2009 |  | 
|  Other significant information |  Ratings Bonds revised by Moody´s                             |  03/18/2009 |  | 
|  Provisional bond rating |  Moody's Investors Services |  03/18/2009 |  | 
|  New issue report |  Moody's Investors Services |  06/05/2008 |  |