Exhibit 12

 

COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES

 

    2006
     2005
     2004
     2003
     2002
  

Income from continuing operations

   38,661     40,443     40,641     40,558     41,725  

Additions:

                              

Fixed charges

                              

Interest expense

   47,846     37,743     34,500     30,040     27,849  

Capitalized interest

   3,782     1,127     703     248     121  
   
 
 
 
 
    51,628     38,870     35,203     30,288     27,970  

Deductions:

                              

Capitalized interest

   (3,782 )   (1,127 )   (703 )   (248 )   (121 )
   
 
 
 
 

Adjusted earnings

   86,507     78,186     75,141     70,598     69,574  
   
 
 
 
 

Fixed Charges (from above)

   51,628     38,870     35,203     30,288     27,970  

Ratio of Earnings to Fixed Charges

   1.68     2.01     2.13     2.33     2.49