| Year Ended December 31 | In Thousands of Dollars | |||
| 2006 | 2005 | 2004 | ||
| Revenues | $789,522 | $575,655 | $500,589 | |
| Total Assets | $716,646 | $494,043 | $449,159 | |
| Long-Term Debt (includes current maturities) |
$303,292 | $201,571 | $200,777 | |
| Total Stockholders' Equity | $269,577 | $184,921 | $168,849 | |
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Financial Highlights
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