Please analyze the income statement below with observations on trends and overall performance of this company:

(In millions, except per share amounts)	2015	2014	2013	2012	2011
	(52 weeks)	(52 weeks)	(52 weeks)	(53 weeks)	(52 weeks)
Sales	109,830	108,465	98,375	96,619	90,269
less: Sales Incentives	0	0	0	0	0
Net operating revenues	109,830	108,465	98,375	96,619	90,269
Merchandise costs, including advertising, warehousing, and transportation	-85,496	-85,512	-78,138	-76,726	-71,389
Gross profit	24,334	22953	20237	19893	18880
Operating, general and administrative	-17,946	-17,161	-15,196	-14,849	-15,345
Rent	-723	-707	-613	-628	-619
Operating income before depreciation/amortization	5,665	5,085	4,428	4,416	2,916
Depreciation and amortization	-2,089	-1,948	-1,703	-1,652	-1,638
Operating Profit	3,576	3,137	2,725	2,764	1,278
Interest expense	482	488	443	462	435
EBIT	3,094	2,649	2,282	2,302	843
Income tax expense	1,045	902	751	794	247
Net earnings including noncontrolling interests (EBT)	2,049	1,747	1,531	1,508	596
Net earnings attributable to noncontrolling interests	10	19	12	11	-6
Net Income	2,039	1,728	1,519	1,497	602
Net earnings attributable to The Kroger Co. per basic common share	2.09	1.74	1.47	2.78	1.01
Average number of common shares used in basic calculation	966	981	1,028	533	590
Net earnings attributable to The Kroger Co. per diluted common share	2.06	1.72	1.45	2.77	1.01
Average number of common shares used in diluted calculation	980	993	1,040	537	593
Dividends declared per common share	0.408	0.35	0.315	0.53	0.44