Distributions Paid and Payable (Tables) (Common stock)

12 Months Ended

Dec. 31, 2012

Common stock

Distributions paid and payable

Schedule of Stock by Class and Dividends Paid or Payable

Month	2012	2011	2010
January	$ 0.1455000	$ 0.1442500	$ 0.1430000
February	0.1455000	0.1442500	0.1430000
March	0.1455000	0.1442500	0.1430000
April	0.1458125	0.1445625	0.1433125
May	0.1458125	0.1445625	0.1433125
June	0.1458125	0.1445625	0.1433125
July	0.1461250	0.1448750	0.1436250
August	0.1461250	0.1448750	0.1436250
September	0.1511250	0.1448750	0.1436250
October	0.1514375	0.1451875	0.1439375
November	0.1514375	0.1451875	0.1439375
December	0.1514375	0.1451875	0.1439375
Total	$ 1.7716250	$ 1.7366250	$ 1.7216250

Schedule of federal income tax characterization of distributions paid or deemed to be paid

	2012	2011	2010
Ordinary income	$ 1.3367481	$ 1.3787863	$ 1.2598879
Nontaxable distributions	0.4348769	0.3578387	0.4617371
Totals	$ 1.7716250	$ 1.7366250	$ 1.7216250