Quarterly Financial Data (Unaudited)

12 Months Ended

Dec. 31, 2012

Quarterly Financial Data (Unaudited)

Quarterly Financial Data (Unaudited)

13.    Quarterly Financial Data (Unaudited)

            Quarterly 2012 and 2011 data is summarized in the table below. Quarterly amounts may not sum to annual amounts due to rounding.

	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
2012
Total revenue	$	1,118,969	$	1,188,066	$	1,228,617	$	1,344,431
Operating income		516,721		524,327		564,953		614,598
Consolidated net income		781,829		260,936		306,371		370,496
Net income attributable to common stockholders		645,410		215,445		254,921		315,383
Net income per share — Basic	$	2.18	$	0.71	$	0.84	$	1.01
Net income per share — Diluted	$	2.18	$	0.71	$	0.84	$	1.01
Weighted average shares outstanding		295,693,410		303,252,359		304,107,489		303,137,350
Diluted weighted average shares outstanding		295,694,520		303,253,401		304,108,559		303,138,422
2011
Total revenue	$	1,019,874	$	1,040,861	$	1,074,360	$	1,171,337
Operating income		451,949		470,260		484,556		536,389
Consolidated net income		219,666		250,522		333,781		441,931
Net income attributable to common stockholders		179,412		205,121		274,000		362,930
Net income per share — Basic	$	0.61	$	0.70	$	0.93	$	1.24
Net income per share — Diluted	$	0.61	$	0.70	$	0.93	$	1.24
Weighted average shares outstanding		293,080,205		293,367,771		293,735,663		293,821,920
Diluted weighted average shares outstanding		293,290,496		293,402,353		293,758,135		293,832,555