Distributions Paid and Payable (Tables) - Common stock

12 Months Ended

Dec. 31, 2015

Issuance and redemption of preferred stock

Schedule of Stock by Class and Dividends Paid or Payable

Month	2015		2014		2013
January	$	0.1834167	$	0.1821667	$	0.1517500
February	0.1890000		0.1821667		0.1809167
March	0.1890000		0.1821667		0.1809167
April	0.1895000		0.1824792		0.1812292
May	0.1895000		0.1824792		0.1812292
June	0.1895000		0.1824792		0.1812292
July	0.1900000		0.1827917		0.1815417
August	0.1900000		0.1827917		0.1815417
September	0.1900000		0.1827917		0.1815417
October	0.1905000		0.1831042		0.1818542
November	0.1905000		0.1831042		0.1818542
December	0.1905000		0.1831042		0.1818542
Total	$	2.2714167	$	2.1916254	$	2.1474587

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

	2015		2014		2013
Ordinary income	$	1.7307023	$	1.6483522	$	1.3153791
Nontaxable distributions	0.5407144		0.5432732		0.8320796
Totals	$	2.2714167	$	2.1916254	$	2.1474587