Note 24 Selected Quarterly Financial Data (unaudited)

The following tables set forth unaudited selected quarterly financial data:

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	2018
	Quarter Ended
(in thousands, except per share amounts)	December 31			September 30			June 30			March 31
Consolidated revenue	$	180,712		$	164,511		$	176,568		$	165,869
Gross profit	82,553			77,810			86,162			77,869
Total operating expenses	89,572			88,794			93,884			95,335
Loss from operations	(7,019		)	(10,984		)	(7,722		)	(17,466		)
Provision for income taxes	(4,051		)	1,593			2,539			1,954
Net loss attributable to 3D Systems	(4,136		)	(11,550		)	(8,862		)	(20,957		)
Basic and diluted net loss per share	$	(0.04	)	$	(0.10	)	$	(0.08	)	$	(0.19	)

	2017
	Quarter Ended
(in thousands, except per share amounts)	December 31			September 30			June 30			March 31
Consolidated revenue	$	177,264		$	152,907		$	159,467		$	156,431
Gross profit	85,458			58,522			80,673			80,186
Total operating expenses	91,161			90,857			87,537			89,257
Loss from operations	(5,703		)	(32,335		)	(6,864		)	(9,071		)
Provision for income taxes	971			3,723			2,067			1,041
Net loss attributable to 3D Systems	(10,134		)	(37,670		)	(8,416		)	(9,971		)
Basic and diluted net income (loss) per share	$	(0.08	)	$	(0.34	)	$	(0.08	)	$	(0.09	)



	2016
	Quarter Ended
(in thousands, except per share amounts)	December 31			September 30			June 30			March 31
Consolidated revenue	$	165,937		$	156,362		$	158,111		$	152,555
Gross profit	82,890			68,937			80,411			77,513
Total operating expenses	78,817			90,954			84,128			94,272
Income (loss) from operations	4,073			(22,017		)	(3,717		)	(16,759		)
Provision (benefit) for income taxes	(1,212		)	(2,214		)	1,700			1,179
Net income (loss) attributable to 3D Systems	5,230			(21,213		)	(4,648		)	(17,788		)
Basic and diluted net income (loss) per share	$	0.05		$	(0.19	)	$	(0.04	)	$	(0.16	)

The sum of per share amounts for each of the quarterly periods presented does not necessarily equal the total presented for the year because each quarterly amount is independently calculated at the end of each period based on the net income (loss) available to common stockholders for such period and the weighted average shares of outstanding common stock for such period.