Exhibit 12.1
| Six months ended June 30, 2012 | Year ended December 31, 2011 | Year ended December 31, 2010 | Year ended December 31, 2009 | Year ended December 31, 2008 | Year ended December 31, 2007 | |||||||||||||||||||
| (unaudited) | ||||||||||||||||||||||||
Earnings: | ||||||||||||||||||||||||
Pretax Income from continuing operations | $ | 33,930,087 | $ | 49,752,614 | $ | 25,167,380 | $ | 6,336,588 | ($ | 3,314,694 | ) | $ | 9,228,102 | |||||||||||
Fixed charges | 17,388,418 | 30,450,471 | 36,486,361 | 45,450,398 | 79,640,808 | 121,585,223 | ||||||||||||||||||
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Total | $ | 51,318,505 | $ | 80,203,085 | $ | 61,653,741 | $ | 51,786,986 | $ | 76,326,114 | $ | 130,813,325 | ||||||||||||
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Fixed Charges: | ||||||||||||||||||||||||
Interest (expensed and capitalized) | 15,134,832 | 27,043,926 | 31,876,054 | 41,369,137 | 76,490,096 | 118,882,304 | ||||||||||||||||||
Amortized premiums, discounts and capitalized expenses related to indebtedness | 2,244,282 | 3,387,123 | 4,590,397 | 4,058,255 | 3,128,657 | 2,681,235 | ||||||||||||||||||
Estimate of interest within rental expenses | 9,304 | 19,422 | 19,910 | 23,006 | 22,055 | 21,684 | ||||||||||||||||||
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Total | $ | 17,388,418 | $ | 30,450,471 | $ | 36,486,361 | $ | 45,450,398 | $ | 79,640,808 | $ | 121,585,223 | ||||||||||||
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Preferred stock dividend | ($ | 25,379 | ) | $ | 0 | $ | 0 | $ | 0 | $ | 0 | $ | 0 | |||||||||||
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Ratio of earnings to combined fixed charges | 2.95 | 2.63 | 1.69 | 1.14 | 0.96 | 1.08 | ||||||||||||||||||
Ratio of earnings to combined fixed charges and preferred stock dividends | 2.95 | 2.63 | 1.69 | 1.14 | 0.96 | 1.08 | ||||||||||||||||||
