Statement of Income Data

Year Ended December 31,
(in thousands, except per share information) 2017 2016 2015 2014 2013
Revenues 3,596,166 3,410,881 2,965,589 3,235,611 3,041,011
Costs and expenses 3,554,420 3,319,193 2,904,512 2,949,337 2,933,160
Operating income 41,746 91,688 61,077 286,274 107,851
Total other expense 41,746 53,337 39,612 35,844 35,570
Net Income 81,631 30,491 15,228 159,504 43,391
Net income attributable to Green Plains 61,061 10,663 7,064 159,504 43,391
Earnings per share attributable to Green Plains:
Basic 1.56 0.28 0.19 4.37 1.44
Diluted 1.47 0.28 0.18 3.96 1.26

Other Data (NON-GAAP)

EBITDA (unaudited and in thousands) 154,370 174,428 127,781 352,477 156,492

Balance Sheet Data

December 31,
(in thousands) 2017 2016 2015 2014 2013
Total cash and cash equivalents 266,651 356,190 411,885 455,252 299,021
Current assets 1,206,471 1,000,576 912,577 903,415 633,305
Total assets 2,784,650 2,506,492 1,917,920 1,821,062 1,532,045
Current liabilities 886,261 594,946 438,669 511,540 409,197
Long-term debt 767,396 782,610 432,139 399,440 480,746
Total liabilities 1,725,514 1,527,301 959,011 1,023,613 986,687
Stockholders' equity 1,059,136 979,191 958,909 797,449 545,358

The following table reconciles net income to EBITDA for the periods indicated (in thousands):

Year Ended December 31,
2017 2016 2015 2014 2013
Net Income 81,631 30,491 15,228 159,504 43,391
Interest expense 90,160 51,851 40,366 39,908 33,357
Income tax expense (124,782) 7,860 6,237 90,926 28,890
Depreciation and amortization 107,361 84,226 65,950 62,139 50,854
EBITDA (unaudited) 154,370 174,428 127,781 352,477 156,492

Ethanol Production

in millions of gallons

Revenues

in billions

Total Assets

in billions