Exhibit 12.1

STATEMENT REGARDING COMPUTATION OF RATIOS OF EARNINGS
	Nine Months Ended		Year ended		Year ended		Year ended		Year ended		Year ended
	September 30,		December 31,		December 31,		December 31,		December 31,		December 31,
	2014		2013		2012		2011		2010		2009
	(unaudited)
Earnings:
Pretax Income from continuing operations	$	49,895,125	$	45,411,712	$	79,045,303	$	49,752,614	$	25,167,380	$	6,336,588
Fixed charges	31,863,615		61,038,847		42,809,788		30,450,471		36,486,361		45,450,398
Total earnings before fixed charges and preferred shares	$	81,758,740	$	106,450,559	$	121,855,091	$	80,203,085	$	61,653,741	$	51,786,986
Fixed Charges:
Interest (expensed and capitalized)	$	26,615,911	$	52,518,198	$	38,027,275	$	27,043,926	$	31,876,054	$	41,369,137
Amortized premiums, discounts      and capitalized expenses related to indebtedness	5,220,408		8,491,437		4,765,109		3,387,123		4,590,397		4,058,255
Estimate of interest within rental expenses	27,296		29,212		17,404		19,422		19,910		23,006
Total fixed charges	$	31,863,615	$	61,038,847	$	42,809,788	$	30,450,471	$	36,486,361	$	45,450,398
Preferred stock dividend	$	11,303,163	$	7,221,041	$	1,243,971	$	—	$	—	$	—
Ratio of earnings to combined fixed charges (1)	2.57		1.74		2.85		2.63		1.69		1.14
Ratio of earnings to combined fixed charges   and preferred stock dividends (1)	1.89		1.56		2.77		2.63		1.69		1.14

(1) The Company did not have any shares of preferred stock outstanding until June 2012 and paid its first preferred stock dividend in July 2012.