Income per Unit

12 Months Ended

Dec. 31, 2019

Digital Realty Trust, L.P.

Class of Stock [Line Items]

Income per Unit

11. Income per Unit

The following is a summary of basic and diluted income per unit (in thousands, except unit and per unit amounts):

	Year Ended December 31,
	2019		2018		2017
Net income available to common unitholders	$	514,111	$	260,110	$	176,918
Weighted average units outstanding—basic		217,284,755		214,312,871		178,055,936
Potentially dilutive common units:
Unvested incentive units		165,185		141,260		141,136
Forward equity offering		813,073		33,315		124,527
Market performance-based awards		158,166		463,488		570,049
Weighted average units outstanding—diluted		218,421,179		214,950,934		178,891,648
Income per unit:
Basic	$	2.37	$	1.21	$	0.99
Diluted	$	2.35	$	1.21	$	0.99

We have excluded the following potentially dilutive securities in the calculations above as they would be antidilutive or not dilutive:

	Year Ended December 31,
	2019	2018	2017
Potentially dilutive Series C Cumulative Redeemable Perpetual Preferred Units	1,695,765	1,876,584	540,773
Potentially dilutive Series F Cumulative Redeemable Preferred Units	—	—	463,301
Potentially dilutive Series G Cumulative Redeemable Preferred Units	2,102,655	2,326,861	2,261,153
Potentially dilutive Series H Cumulative Redeemable Preferred Units	789,846	3,409,772	3,313,484
Potentially dilutive Series I Cumulative Redeemable Preferred Units	2,105,116	2,329,584	2,263,799
Potentially dilutive Series J Cumulative Redeemable Preferred Units	1,679,534	1,858,622	720,803
Potentially dilutive Series K Cumulative Redeemable Preferred Units	1,334,691	—	—
Potentially dilutive Series L Cumulative Redeemable Preferred Units	670,823	—	—
Total	10,378,430	11,801,423	9,563,313