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EXHIBIT
12.1
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RATIO
OF EARNINGS TO FIXED CHARGES
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Years
Ended December 31,
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2007
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2006
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2005
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2004
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2003
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| 12.4 | 24.2 | 23.2 | 18.7 | 16.8 | ||||||||
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The
ratio of earnings to fixed charges has been computed by dividing earnings
available for fixed charges (earnings from continuing
operations before income taxes plus fixed charges and amortization of
capitalized interest less capitalized interest) by fixed charges (interest
expense plus capitalized
interest).
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