**EXHIBIT 12**

**Computation of Ratio of Earnings toFixed Charges**

For the purpose of determining the ratio of earnings to fixed charges, “earnings”consist of earnings before income tax expense equity investments and minorityinterest plus fixed charges, amortization of capitalized interest, anddistributed income of equity investees, less interest capitalized. “Fixedcharges” consist of interest expense (including amortization of deferredfinancing costs, premiums, and discounts), amortization of capitalized expensesrelated to indebtedness, plus two-thirds of rental expense (this portion isconsidered to be representative of the interest factor), and are computed asfollows:

** **
| ** **                                                                | ** ** | **As of and for Year Ended December 31,** | ** ** |
|---------------------------------------------------------------------------|------------|------------------------------------------------------------------------------|------------|
| ** **                                                                | ** ** | **(in thousands)**                                                      | ** ** |
| ** **                                                                | ** ** | **2002**                                                                     | ** ** | **2003** | ** ** | **2004** | ** ** | **2005** | ** ** | **2006** | ** ** |
| Earnings:                                                                 |       |                                                                         |       |   |   |   |   |   |   |   |   |
| Pre-tax income  (loss) before equity in investments and minority interest |       | $                                                                            | 2,721      |   | $ | 22 |   | $ | 3,989 |   | $ | (3,456 | ) | $ | (10,919 | ) |
| Add:Fixed  charges                                                        |       | 18,943                                                                       |       | 20,868 |   | 20,890 |   | 23,858 |   | 33,639 |   |
| Add:Amortization  of capitalized interest                                 |       | 59                                                                           |       | 62 |   | 65 |   | 67 |   | 71 |   |
| Add:Distributions  from equity investees                                  |       | 126                                                                          |       |   |   |   |   |   |   |   |   |
| Less:Interest  capitalized                                                |       |                                                                         |       | (140 | ) | (110 | ) | (106 | ) | (154 | ) |
|                                                                      |       |                                                                         |       |   |   |   |   |   |   |   |   |
| Total Earnings                                                            |       | $                                                                            | 21,849     |   | $ | 20,812 |   | $ | 24,834 |   | $ | 20,363 |   | $ | 22,637 |   |
|                                                                      |       |                                                                         |       |   |   |   |   |   |   |   |   |
| Fixed Charges                                                             |       |                                                                         |       |   |   |   |   |   |   |   |   |
| Interest expense                                                          |       | $                                                                            | 18,489     |   | $ | 20,135 |   | $ | 20,074 |   | $ | 22,833 |   | $ | 31,905 |   |
| Interest  capitalized                                                     |       |                                                                         |       | 140 |   | 110 |   | 106 |   | 154 |   |
| Estimated  interest on rental expense                                     |       | 454                                                                          |       | 593 |   | 706 |   | 919 |   | 1,580 |   |
|                                                                      |       |                                                                         |       |   |   |   |   |   |   |   |   |
| Total Fixed Charges                                                       |       | $                                                                            | 18,943     |   | $ | 20,868 |   | $ | 20,890 |   | $ | 23,858 |   | $ | 33,639 |   |
|                                                                      |       |                                                                         |       |   |   |   |   |   |   |   |   |
| Ratio of Earnings to Fixed Charges (unaudited)(1)                         |       | 1.15x                                                                        |       | 1.00x |   | 1.19x |   | 0.85x |   | 0.67x |   |

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(1)                                 For the years endedDecember 31, 2005 and 2006, we had a deficiency of $3,495 and $11,002,respectively, in earnings to fixed charges.

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