Exhibit 12.1

Statements Regarding Computation of Ratios



|                                                           |  |                                  |         |   |      |   |        |      |  |   |        |   |  |      |        |    |  |   |        |  
|---------------------------------------------------------- |  | -------------------------------- | ------- | - | ---- | - | ------ | ---- |  | - | ------ | - |  | ---- | ------ | -- |  | - | ------ | -
|                                                           |  | For the years ended December 31, |        
|                                                           |  | 2006                             |         |   | 2005 |   |        | 2004 |  |   | 2003   |   |  | 2002 |       
|Income from continuing operations                          |  | $                                | 72,098  |   |      | $ | 75,041 |      |  | $ | 63,068 |   |  | $    | 45,413 |    |  | $ | 41,331 |  
|Add back fixed charges:                                    |  |                                  |         |   |      |   |        |      |  |   |        |   |  |      |        |    |  |   |        |  
|Interest expense (A)                                       |  |                                  | 63,410  |   |      |   | 13,011 |      |  |   | 5,435  |   |  |      | 4,642  |    |  |   | 5,919  |  
|                                                           |  |                                  |         |   |      |   |        |      |  |   |        |   |  |      |        |    |  |   |        |  
|Earnings before fixed charges and preferred dividends      |  |                                  | 135,508 |   |      |   | 88,052 |      |  |   | 68,503 |   |  |      | 50,055 |    |  |   | 47,250 |  
|Fixed charges and preferred dividends                      |  |                                  |         |   |      |   |        |      |  |   |        |   |  |      |        |    |  |   |        |  
|Interest expense                                           |  |                                  | 63,410  |   |      |   | 13,011 |      |  |   | 5,435  |   |  |      | 4,642  |    |  |   | 5,919  |  
|Preferred dividends                                        |  |                                  | 10,079  |   |      |   | 10,076 |      |  |   | 5,279  |   |  |      |       |    |  |   |       |  
|                                                           |  |                                  |         |   |      |   |        |      |  |   |        |   |  |      |        |    |  |   |        |  
|Subtotal                                                   |  |                                  | 73,489  |   |      | $ | 23,087 |      |  | $ | 10,714 |   |  | $    | 4,642  |    |  | $ | 5,919  |  
|Ratio of earnings to fixed charges and preferred dividends |  |                                  | 1.8     | x |      |   | 3.8    | x    |  |   | 6.4    | x |  |      | 10.    | 8x |  |   | 8.0    | x

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|(A) | Includes interest expense totaling $1,577, $78, $518, $1,302 and $2,287 for the years ended December 31, 2006, 2005, 2004, 2003, and 2002, respectively, associated with consolidated
real estate interests included in real estate operating expenses in our consolidated financial statements.
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